423616880180256 has 144 divisors (see below), whose sum is σ = 1313168249719872. Its totient is φ = 117129091115520.

The previous prime is 423616880180119. The next prime is 423616880180279. The reversal of 423616880180256 is 652081088616324.

It is a super-2 number, since 2×423616880180256² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423616880180256.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327336655 + ... + 328628238.

It is an arithmetic number, because the mean of its divisors is an integer number (9119223956388).

Almost surely, 2^{423616880180256} is an apocalyptic number.

It is an amenable number.

423616880180256 is an abundant number, since it is smaller than the sum of its proper divisors (889551369539616).

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

423616880180256 is a wasteful number, since it uses less digits than its factorization.

423616880180256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655964975 (or 655964936 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 60.

The spelling of 423616880180256 in words is "four hundred twenty-three trillion, six hundred sixteen billion, eight hundred eighty million, one hundred eighty thousand, two hundred fifty-six".