123427026402 has 16 divisors (see below), whose sum is σ = 246858290112. Its totient is φ = 41141635920.

The previous prime is 123427026383. The next prime is 123427026427. The reversal of 123427026402 is 204620724321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301827 + ... + 581337.

It is an arithmetic number, because the mean of its divisors is an integer number (15428643132).

Almost surely, 2^123427026402 is an apocalyptic number.

123427026402 is an abundant number, since it is smaller than the sum of its proper divisors (123431263710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123427026402 is a wasteful number, since it uses less digits than its factorization.

123427026402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353113.

The product of its (nonzero) digits is 32256, while the sum is 33.

The spelling of 123427026402 in words is "one hundred twenty-three billion, four hundred twenty-seven million, twenty-six thousand, four hundred two".