23016491461 has 2 divisors, whose sum is σ = 23016491462. Its totient is φ = 23016491460.

The previous prime is 23016491423. The next prime is 23016491467. The reversal of 23016491461 is 16419461032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13664441025 + 9352050436 = 116895^2 + 96706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23016491461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23016491461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23016491467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11508245730 + 11508245731.

It is an arithmetic number, because the mean of its divisors is an integer number (11508245731).

Almost surely, 2^23016491461 is an apocalyptic number.

It is an amenable number.

23016491461 is a deficient number, since it is larger than the sum of its proper divisors (1).

23016491461 is an equidigital number, since it uses as much as digits as its factorization.

23016491461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 23016491461 in words is "twenty-three billion, sixteen million, four hundred ninety-one thousand, four hundred sixty-one".