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123203142043 = 1951011271197
BaseRepresentation
bin111001010111101111…
…0101100000110011011
3102210000020110002022221
41302233132230012123
54004310001021133
6132333154524511
711621042266642
oct1625736540633
9383006402287
10123203142043
1148282a64153
121ba64596737
13b8059b60a7
145d6a90c359
1533112c4a2d
hex1caf7ac19b

123203142043 has 8 divisors (see below), whose sum is σ = 129713043920. Its totient is φ = 116695792800.

The previous prime is 123203142001. The next prime is 123203142047. The reversal of 123203142043 is 340241302321.

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 123203142043 - 29 = 123203141531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123203141999 and 123203142017.

It is not an unprimeable number, because it can be changed into a prime (123203142047) 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, 538680 + ... + 732517.

It is an arithmetic number, because the mean of its divisors is an integer number (16214130490).

Almost surely, 2123203142043 is an apocalyptic number.

123203142043 is a deficient number, since it is larger than the sum of its proper divisors (6509901877).

123203142043 is a wasteful number, since it uses less digits than its factorization.

123203142043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276317.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 123203142043 its reverse (340241302321), we get a palindrome (463444444364).

The spelling of 123203142043 in words is "one hundred twenty-three billion, two hundred three million, one hundred forty-two thousand, forty-three".

Divisors: 1 19 5101 96919 1271197 24152743 6484375897 123203142043