423690929642 has 16 divisors (see below), whose sum is σ = 637958280960. Its totient is φ = 211038316272.

The previous prime is 423690929621. The next prime is 423690929677. The reversal of 423690929642 is 246929096324.

It is a happy number.

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, 7019363 + ... + 7079465.

It is an arithmetic number, because the mean of its divisors is an integer number (39872392560).

Almost surely, 2^423690929642 is an apocalyptic number.

423690929642 is a deficient number, since it is larger than the sum of its proper divisors (214267351318).

423690929642 is a wasteful number, since it uses less digits than its factorization.

423690929642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73477.

The product of its (nonzero) digits is 10077696, while the sum is 56.

The spelling of 423690929642 in words is "four hundred twenty-three billion, six hundred ninety million, nine hundred twenty-nine thousand, six hundred forty-two".