123155270404 has 6 divisors (see below), whose sum is σ = 215521723214. Its totient is φ = 61577635200.

The previous prime is 123155270341. The next prime is 123155270423. The reversal of 123155270404 is 404072551321.

It can be written as a sum of positive squares in only one way, i.e., 122151648004 + 1003622400 = 349502^2 + 31680^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123155270404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15394408797 + ... + 15394408804.

Almost surely, 2^123155270404 is an apocalyptic number.

It is an amenable number.

123155270404 is a deficient number, since it is larger than the sum of its proper divisors (92366452810).

123155270404 is a wasteful number, since it uses less digits than its factorization.

123155270404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30788817605 (or 30788817603 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 123155270404 in words is "one hundred twenty-three billion, one hundred fifty-five million, two hundred seventy thousand, four hundred four".