123412626634 has 32 divisors (see below), whose sum is σ = 205009963200. Its totient is φ = 55246477440.

The previous prime is 123412626611. The next prime is 123412626637. The reversal of 123412626634 is 436626214321.

It is not an unprimeable number, because it can be changed into a prime (123412626637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9322332 + ... + 9335560.

It is an arithmetic number, because the mean of its divisors is an integer number (6406561350).

Almost surely, 2^123412626634 is an apocalyptic number.

123412626634 is a deficient number, since it is larger than the sum of its proper divisors (81597336566).

123412626634 is a wasteful number, since it uses less digits than its factorization.

123412626634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19638.

The product of its digits is 248832, while the sum is 40.

The spelling of 123412626634 in words is "one hundred twenty-three billion, four hundred twelve million, six hundred twenty-six thousand, six hundred thirty-four".