23120203129980 has 48 divisors (see below), whose sum is σ = 70621711380864. Its totient is φ = 5604897728320.

The previous prime is 23120203129973. The next prime is 23120203129981. The reversal of 23120203129980 is 8992130202132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120203129981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17515304742 + ... + 17515306061.

It is an arithmetic number, because the mean of its divisors is an integer number (1471285653768).

Almost surely, 2^{23120203129980} is an apocalyptic number.

23120203129980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23120203129980 is an abundant number, since it is smaller than the sum of its proper divisors (47501508250884).

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

23120203129980 is a wasteful number, since it uses less digits than its factorization.

23120203129980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35030610826 (or 35030610824 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 23120203129980 in words is "twenty-three trillion, one hundred twenty billion, two hundred three million, one hundred twenty-nine thousand, nine hundred eighty".