423511631408 has 20 divisors (see below), whose sum is σ = 830439978648. Its totient is φ = 209204540160.

The previous prime is 423511631383. The next prime is 423511631429. The reversal of 423511631408 is 804136115324.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159453353 + ... + 159456008.

Almost surely, 2^423511631408 is an apocalyptic number.

It is an amenable number.

423511631408 is a deficient number, since it is larger than the sum of its proper divisors (406928347240).

423511631408 is a wasteful number, since it uses less digits than its factorization.

423511631408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318909452 (or 318909446 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 423511631408 in words is "four hundred twenty-three billion, five hundred eleven million, six hundred thirty-one thousand, four hundred eight".