123256032554036 has 12 divisors (see below), whose sum is σ = 225076233359712. Its totient is φ = 58948537308408.

The previous prime is 123256032554029. The next prime is 123256032554047. The reversal of 123256032554036 is 630455230652321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669869742050 + ... + 669869742233.

It is an arithmetic number, because the mean of its divisors is an integer number (18756352779976).

Almost surely, 2^{123256032554036} is an apocalyptic number.

It is an amenable number.

123256032554036 is a deficient number, since it is larger than the sum of its proper divisors (101820200805676).

123256032554036 is a wasteful number, since it uses less digits than its factorization.

123256032554036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339739484310 (or 1339739484308 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 47.

The spelling of 123256032554036 in words is "one hundred twenty-three trillion, two hundred fifty-six billion, thirty-two million, five hundred fifty-four thousand, thirty-six".