232813978999 has 32 divisors (see below), whose sum is σ = 279993876480. Its totient is φ = 189263112192.

The previous prime is 232813978973. The next prime is 232813979029. The reversal of 232813978999 is 999879318232.

It is not a de Polignac number, because 232813978999 - 2³¹ = 230666495351 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 (232813978919) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64794747 + ... + 64798339.

It is an arithmetic number, because the mean of its divisors is an integer number (8749808640).

Almost surely, 2^232813978999 is an apocalyptic number.

232813978999 is a deficient number, since it is larger than the sum of its proper divisors (47179897481).

232813978999 is a wasteful number, since it uses less digits than its factorization.

232813978999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6919.

The product of its digits is 105815808, while the sum is 70.

The spelling of 232813978999 in words is "two hundred thirty-two billion, eight hundred thirteen million, nine hundred seventy-eight thousand, nine hundred ninety-nine".