23133120012312 has 32 divisors (see below), whose sum is σ = 59827034516400. Its totient is φ = 7445142072704.

The previous prime is 23133120012307. The next prime is 23133120012319. The reversal of 23133120012312 is 21321002133132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133120012319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16618620003 + ... + 16618621394.

Almost surely, 2^{23133120012312} is an apocalyptic number.

It is an amenable number.

23133120012312 is an abundant number, since it is smaller than the sum of its proper divisors (36693914504088).

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

23133120012312 is a wasteful number, since it uses less digits than its factorization.

23133120012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33237241435 (or 33237241431 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 23133120012312 its reverse (21321002133132), we get a palindrome (44454122145444).

The spelling of 23133120012312 in words is "twenty-three trillion, one hundred thirty-three billion, one hundred twenty million, twelve thousand, three hundred twelve".