23031220133300 has 144 divisors (see below), whose sum is σ = 58124613536640. Its totient is φ = 7857090109440.

The previous prime is 23031220133269. The next prime is 23031220133303. The reversal of 23031220133300 is 333102213032.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031220133303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14757989 + ... + 16243788.

It is an arithmetic number, because the mean of its divisors is an integer number (403643149560).

Almost surely, 2^{23031220133300} is an apocalyptic number.

23031220133300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23031220133300 is an abundant number, since it is smaller than the sum of its proper divisors (35093393403340).

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

23031220133300 is a wasteful number, since it uses less digits than its factorization.

23031220133300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31001850 (or 31001843 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23031220133300 its reverse (333102213032), we get a palindrome (23364322346332).

The spelling of 23031220133300 in words is "twenty-three trillion, thirty-one billion, two hundred twenty million, one hundred thirty-three thousand, three hundred".