23879973437 has 2 divisors, whose sum is σ = 23879973438. Its totient is φ = 23879973436.

The previous prime is 23879973361. The next prime is 23879973463. The reversal of 23879973437 is 73437997832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21473678521 + 2406294916 = 146539^2 + 49054^2 .

It is a cyclic number.

It is not a de Polignac number, because 23879973437 - 2¹² = 23879969341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23879973437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23879973497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11939986718 + 11939986719.

It is an arithmetic number, because the mean of its divisors is an integer number (11939986719).

Almost surely, 2^23879973437 is an apocalyptic number.

It is an amenable number.

23879973437 is a deficient number, since it is larger than the sum of its proper divisors (1).

23879973437 is an equidigital number, since it uses as much as digits as its factorization.

23879973437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48009024, while the sum is 62.

The spelling of 23879973437 in words is "twenty-three billion, eight hundred seventy-nine million, nine hundred seventy-three thousand, four hundred thirty-seven".