23406743513 has 2 divisors, whose sum is σ = 23406743514. Its totient is φ = 23406743512.

The previous prime is 23406743501. The next prime is 23406743519. The reversal of 23406743513 is 31534760432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23405022169 + 1721344 = 152987^2 + 1312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23406743513 is a prime.

It is not a weakly prime, because it can be changed into another prime (23406743519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11703371756 + 11703371757.

It is an arithmetic number, because the mean of its divisors is an integer number (11703371757).

Almost surely, 2^23406743513 is an apocalyptic number.

It is an amenable number.

23406743513 is a deficient number, since it is larger than the sum of its proper divisors (1).

23406743513 is an equidigital number, since it uses as much as digits as its factorization.

23406743513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 23406743513 in words is "twenty-three billion, four hundred six million, seven hundred forty-three thousand, five hundred thirteen".