23313110321320 has 32 divisors (see below), whose sum is σ = 52478998414920. Its totient is φ = 9320888538880.

The previous prime is 23313110321273. The next prime is 23313110321329. The reversal of 23313110321320 is 2312301131332.

It can be written as a sum of positive squares in 4 ways, for example, as 23301338505316 + 11771816004 = 4827146^2 + 108498^2 .

It is a super-2 number, since 2×23313110321320² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23313110321329) 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, 136025467 + ... + 136196746.

Almost surely, 2^{23313110321320} is an apocalyptic number.

23313110321320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23313110321320 is an abundant number, since it is smaller than the sum of its proper divisors (29165888093600).

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

23313110321320 is a wasteful number, since it uses less digits than its factorization.

23313110321320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272224365 (or 272224361 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 23313110321320 its reverse (2312301131332), we get a palindrome (25625411452652).

The spelling of 23313110321320 in words is "twenty-three trillion, three hundred thirteen billion, one hundred ten million, three hundred twenty-one thousand, three hundred twenty".