23431243437401 has 2 divisors, whose sum is σ = 23431243437402. Its totient is φ = 23431243437400.

The previous prime is 23431243437391. The next prime is 23431243437419. The reversal of 23431243437401 is 10473434213432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23396133672025 + 35109765376 = 4836955^2 + 187376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23431243437401 is a prime.

It is not a weakly prime, because it can be changed into another prime (23431243437491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11715621718700 + 11715621718701.

It is an arithmetic number, because the mean of its divisors is an integer number (11715621718701).

Almost surely, 2^{23431243437401} is an apocalyptic number.

It is an amenable number.

23431243437401 is a deficient number, since it is larger than the sum of its proper divisors (1).

23431243437401 is an equidigital number, since it uses as much as digits as its factorization.

23431243437401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 41.

The spelling of 23431243437401 in words is "twenty-three trillion, four hundred thirty-one billion, two hundred forty-three million, four hundred thirty-seven thousand, four hundred one".