396238970023 has 4 divisors (see below), whose sum is σ = 426718890808. Its totient is φ = 365759049240.

The previous prime is 396238969927. The next prime is 396238970033. The reversal of 396238970023 is 320079832693.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-396238970023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396238970033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15239960373 + ... + 15239960398.

It is an arithmetic number, because the mean of its divisors is an integer number (106679722702).

Almost surely, 2^396238970023 is an apocalyptic number.

396238970023 is a deficient number, since it is larger than the sum of its proper divisors (30479920785).

396238970023 is a wasteful number, since it uses less digits than its factorization.

396238970023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30479920784.

The product of its (nonzero) digits is 2939328, while the sum is 52.

The spelling of 396238970023 in words is "three hundred ninety-six billion, two hundred thirty-eight million, nine hundred seventy thousand, twenty-three".