232121020320231 has 16 divisors (see below), whose sum is σ = 353711183904768. Its totient is φ = 132639472116000.

The previous prime is 232121020320221. The next prime is 232121020320247. The reversal of 232121020320231 is 132023020121232.

It is not a de Polignac number, because 232121020320231 - 2¹⁹ = 232121019795943 is a prime.

It is a super-2 number, since 2×232121020320231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232121020320221) 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, 43718160 + ... + 48739301.

It is an arithmetic number, because the mean of its divisors is an integer number (22106948994048).

Almost surely, 2^{232121020320231} is an apocalyptic number.

232121020320231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

232121020320231 is a deficient number, since it is larger than the sum of its proper divisors (121590163584537).

232121020320231 is a wasteful number, since it uses less digits than its factorization.

232121020320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92577022.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 232121020320231 its reverse (132023020121232), we get a palindrome (364144040441463).

The spelling of 232121020320231 in words is "two hundred thirty-two trillion, one hundred twenty-one billion, twenty million, three hundred twenty thousand, two hundred thirty-one".