233020302312 has 32 divisors (see below), whose sum is σ = 665772292800. Its totient is φ = 66577229184.

The previous prime is 233020302301. The next prime is 233020302343. The reversal of 233020302312 is 213203020332.

It is a super-2 number, since 2×233020302312² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 693512637 + ... + 693512972.

It is an arithmetic number, because the mean of its divisors is an integer number (20805384150).

Almost surely, 2^233020302312 is an apocalyptic number.

It is an amenable number.

233020302312 is an abundant number, since it is smaller than the sum of its proper divisors (432751990488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233020302312 is a wasteful number, since it uses less digits than its factorization.

233020302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387025625 (or 1387025621 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 233020302312 its reverse (213203020332), we get a palindrome (446223322644).

The spelling of 233020302312 in words is "two hundred thirty-three billion, twenty million, three hundred two thousand, three hundred twelve".