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123103021011233 = 131939717717643
BaseRepresentation
bin11011111111011000100111…
…110101101001000100100001
3121010212112102012020220222012
4123333120213311221010201
5112113404441334324413
61113452425214122305
734633620422452544
oct3377304765510441
9533775365226865
10123103021011233
113625177508748a
12119822347b0395
13538c7465c9303
14225830a2dc85b
15e372d34287a8
hex6ff627d69121

123103021011233 has 4 divisors (see below), whose sum is σ = 124042738729008. Its totient is φ = 122163303293460.

The previous prime is 123103021011197. The next prime is 123103021011251. The reversal of 123103021011233 is 332110120301321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123103021011233 - 26 = 123103021011169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123103021011199 and 123103021011208.

It is not an unprimeable number, because it can be changed into a prime (123103021011253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469858858691 + ... + 469858858952.

It is an arithmetic number, because the mean of its divisors is an integer number (31010684682252).

Almost surely, 2123103021011233 is an apocalyptic number.

It is an amenable number.

123103021011233 is a deficient number, since it is larger than the sum of its proper divisors (939717717775).

123103021011233 is an equidigital number, since it uses as much as digits as its factorization.

123103021011233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939717717774.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 123103021011233 its reverse (332110120301321), we get a palindrome (455213141312554).

The spelling of 123103021011233 in words is "one hundred twenty-three trillion, one hundred three billion, twenty-one million, eleven thousand, two hundred thirty-three".

Divisors: 1 131 939717717643 123103021011233