232420221037 has 2 divisors, whose sum is σ = 232420221038. Its totient is φ = 232420221036.

The previous prime is 232420221029. The next prime is 232420221043. The reversal of 232420221037 is 730122024232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232387628356 + 32592681 = 482066^2 + 5709^2 .

It is a cyclic number.

It is not a de Polignac number, because 232420221037 - 2³ = 232420221029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232420220996 and 232420221014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232420221337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116210110518 + 116210110519.

It is an arithmetic number, because the mean of its divisors is an integer number (116210110519).

Almost surely, 2^232420221037 is an apocalyptic number.

It is an amenable number.

232420221037 is a deficient number, since it is larger than the sum of its proper divisors (1).

232420221037 is an equidigital number, since it uses as much as digits as its factorization.

232420221037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

Adding to 232420221037 its reverse (730122024232), we get a palindrome (962542245269).

The spelling of 232420221037 in words is "two hundred thirty-two billion, four hundred twenty million, two hundred twenty-one thousand, thirty-seven".