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123103304003431 = 713119555899119
BaseRepresentation
bin11011111111011000111000…
…101101001010111101100111
3121010212120010220202102021201
4123333120320231022331213
5112113411031311102211
61113452513243423331
734633630430034643
oct3377307055127547
9533776126672251
10123103304003431
11362518aa8a4734
12119822b3524b47
13538c79012090b
142258335b25c23
15e372ed1c80c1
hex6ff638b4af67

123103304003431 has 8 divisors (see below), whose sum is σ = 124877178316800. Its totient is φ = 121330541494680.

The previous prime is 123103304003389. The next prime is 123103304003437. The reversal of 123103304003431 is 134300403301321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123103304003431 - 211 = 123103304001383 is a prime.

It is a super-2 number, since 2×1231033040034312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123103304003431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123103304003437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277728111 + ... + 278171008.

It is an arithmetic number, because the mean of its divisors is an integer number (15609647289600).

Almost surely, 2123103304003431 is an apocalyptic number.

123103304003431 is a deficient number, since it is larger than the sum of its proper divisors (1773874313369).

123103304003431 is an equidigital number, since it uses as much as digits as its factorization.

123103304003431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555902309.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 123103304003431 its reverse (134300403301321), we get a palindrome (257403707304752).

The spelling of 123103304003431 in words is "one hundred twenty-three trillion, one hundred three billion, three hundred four million, three thousand, four hundred thirty-one".

Divisors: 1 71 3119 221449 555899119 39468837449 1733849352161 123103304003431