23103131212320 has 48 divisors (see below), whose sum is σ = 72774863320320. Its totient is φ = 6160834989824.

The previous prime is 23103131212297. The next prime is 23103131212321. The reversal of 23103131212320 is 2321213130132.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is not an unprimeable number, because it can be changed into a prime (23103131212321) 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, 24065761200 + ... + 24065762159.

It is an arithmetic number, because the mean of its divisors is an integer number (1516142985840).

Almost surely, 2^{23103131212320} is an apocalyptic number.

23103131212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23103131212320 is an abundant number, since it is smaller than the sum of its proper divisors (49671732108000).

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

23103131212320 is a wasteful number, since it uses less digits than its factorization.

23103131212320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48131523377 (or 48131523369 counting only the distinct ones).

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

Adding to 23103131212320 its reverse (2321213130132), we get a palindrome (25424344342452).

The spelling of 23103131212320 in words is "twenty-three trillion, one hundred three billion, one hundred thirty-one million, two hundred twelve thousand, three hundred twenty".