423235626532321 has 2 divisors, whose sum is σ = 423235626532322. Its totient is φ = 423235626532320.

The previous prime is 423235626532283. The next prime is 423235626532351. The reversal of 423235626532321 is 123235626532324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357228711245025 + 66006915287296 = 18900495^2 + 8124464^2 .

It is a cyclic number.

It is not a de Polignac number, because 423235626532321 - 2¹³ = 423235626524129 is a prime.

It is not a weakly prime, because it can be changed into another prime (423235626532351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211617813266160 + 211617813266161.

It is an arithmetic number, because the mean of its divisors is an integer number (211617813266161).

Almost surely, 2^{423235626532321} is an apocalyptic number.

It is an amenable number.

423235626532321 is a deficient number, since it is larger than the sum of its proper divisors (1).

423235626532321 is an equidigital number, since it uses as much as digits as its factorization.

423235626532321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9331200, while the sum is 49.

The spelling of 423235626532321 in words is "four hundred twenty-three trillion, two hundred thirty-five billion, six hundred twenty-six million, five hundred thirty-two thousand, three hundred twenty-one".