232123040020 has 48 divisors (see below), whose sum is σ = 488491734528. Its totient is φ = 92652537600.

The previous prime is 232123039999. The next prime is 232123040027. The reversal of 232123040020 is 20040321232.

It is a super-2 number, since 2×232123040020² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 232123040020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232123040027) 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, 52008309 + ... + 52012771.

It is an arithmetic number, because the mean of its divisors is an integer number (10176911136).

Almost surely, 2^232123040020 is an apocalyptic number.

232123040020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232123040020 is an abundant number, since it is smaller than the sum of its proper divisors (256368694508).

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

232123040020 is a wasteful number, since it uses less digits than its factorization.

232123040020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9400 (or 9398 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 232123040020 its reverse (20040321232), we get a palindrome (252163361252).

The spelling of 232123040020 in words is "two hundred thirty-two billion, one hundred twenty-three million, forty thousand, twenty".