523656646223402 has 16 divisors (see below), whose sum is σ = 804704158887552. Its totient is φ = 255422895158880.

The previous prime is 523656646223377. The next prime is 523656646223453. The reversal of 523656646223402 is 204322646656325.

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, 241053218 + ... + 243215885.

It is an arithmetic number, because the mean of its divisors is an integer number (50294009930472).

Almost surely, 2^{523656646223402} is an apocalyptic number.

523656646223402 is a deficient number, since it is larger than the sum of its proper divisors (281047512664150).

523656646223402 is a wasteful number, since it uses less digits than its factorization.

523656646223402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484282333.

The product of its (nonzero) digits is 74649600, while the sum is 56.

The spelling of 523656646223402 in words is "five hundred twenty-three trillion, six hundred fifty-six billion, six hundred forty-six million, two hundred twenty-three thousand, four hundred two".