23311321120 has 48 divisors (see below), whose sum is σ = 55410929280. Its totient is φ = 9267312384.

The previous prime is 23311321109. The next prime is 23311321129. The reversal of 23311321120 is 2112311332.

It is not an unprimeable number, because it can be changed into a prime (23311321129) 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, 420840 + ... + 472999.

It is an arithmetic number, because the mean of its divisors is an integer number (1154394360).

Almost surely, 2^23311321120 is an apocalyptic number.

23311321120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23311321120 is an abundant number, since it is smaller than the sum of its proper divisors (32099608160).

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

23311321120 is a wasteful number, since it uses less digits than its factorization.

23311321120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894017 (or 894009 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23311321120 its reverse (2112311332), we get a palindrome (25423632452).

The spelling of 23311321120 in words is "twenty-three billion, three hundred eleven million, three hundred twenty-one thousand, one hundred twenty".