23111133233420 has 12 divisors (see below), whose sum is σ = 48533379790224. Its totient is φ = 9244453293360.

The previous prime is 23111133233413. The next prime is 23111133233453. The reversal of 23111133233420 is 2433233111132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577778330816 + ... + 577778330855.

It is an arithmetic number, because the mean of its divisors is an integer number (4044448315852).

Almost surely, 2^{23111133233420} is an apocalyptic number.

23111133233420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23111133233420 is an abundant number, since it is smaller than the sum of its proper divisors (25422246556804).

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

23111133233420 is a wasteful number, since it uses less digits than its factorization.

23111133233420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155556661680 (or 1155556661678 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 23111133233420 its reverse (2433233111132), we get a palindrome (25544366344552).

The spelling of 23111133233420 in words is "twenty-three trillion, one hundred eleven billion, one hundred thirty-three million, two hundred thirty-three thousand, four hundred twenty".