232503142153021 has 2 divisors, whose sum is σ = 232503142153022. Its totient is φ = 232503142153020.

The previous prime is 232503142153013. The next prime is 232503142153031. The reversal of 232503142153021 is 120351241305232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203663438944900 + 28839703208121 = 14271070^2 + 5370261^2 .

It is a cyclic number.

It is not a de Polignac number, because 232503142153021 - 2³ = 232503142153013 is a prime.

It is a super-2 number, since 2×232503142153021² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232503142153031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116251571076510 + 116251571076511.

It is an arithmetic number, because the mean of its divisors is an integer number (116251571076511).

Almost surely, 2^{232503142153021} is an apocalyptic number.

It is an amenable number.

232503142153021 is a deficient number, since it is larger than the sum of its proper divisors (1).

232503142153021 is an equidigital number, since it uses as much as digits as its factorization.

232503142153021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 232503142153021 its reverse (120351241305232), we get a palindrome (352854383458253).

The spelling of 232503142153021 in words is "two hundred thirty-two trillion, five hundred three billion, one hundred forty-two million, one hundred fifty-three thousand, twenty-one".