23133345012 has 30 divisors (see below), whose sum is σ = 60475134258. Its totient is φ = 7711114896.

The previous prime is 23133344989. The next prime is 23133345061. The reversal of 23133345012 is 21054333132.

23133345012 is a `hidden beast` number, since 2 + 313 + 3 + 345 + 0 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22014843876 + 1118501136 = 148374^2 + 33444^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35699283 + ... + 35699930.

Almost surely, 2^23133345012 is an apocalyptic number.

It is an amenable number.

23133345012 is an abundant number, since it is smaller than the sum of its proper divisors (37341789246).

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

23133345012 is a wasteful number, since it uses less digits than its factorization.

23133345012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71399229 (or 71399218 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 23133345012 its reverse (21054333132), we get a palindrome (44187678144).

The spelling of 23133345012 in words is "twenty-three billion, one hundred thirty-three million, three hundred forty-five thousand, twelve".