23031220123020 has 24 divisors (see below), whose sum is σ = 64487416344624. Its totient is φ = 6141658699456.

The previous prime is 23031220123013. The next prime is 23031220123027. The reversal of 23031220123020 is 2032102213032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23031220123013) and next prime (23031220123027).

It is not an unprimeable number, because it can be changed into a prime (23031220123027) 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, 191926834299 + ... + 191926834418.

It is an arithmetic number, because the mean of its divisors is an integer number (2686975681026).

Almost surely, 2^{23031220123020} is an apocalyptic number.

23031220123020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23031220123020 is an abundant number, since it is smaller than the sum of its proper divisors (41456196221604).

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

23031220123020 is a wasteful number, since it uses less digits than its factorization.

23031220123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383853668729 (or 383853668727 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23031220123020 its reverse (2032102213032), we get a palindrome (25063322336052).

The spelling of 23031220123020 in words is "twenty-three trillion, thirty-one billion, two hundred twenty million, one hundred twenty-three thousand, twenty".