23988142051 has 2 divisors, whose sum is σ = 23988142052. Its totient is φ = 23988142050.

The previous prime is 23988142039. The next prime is 23988142081. The reversal of 23988142051 is 15024188932.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23988142051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23988141989 and 23988142007.

It is not a weakly prime, because it can be changed into another prime (23988142021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11994071025 + 11994071026.

It is an arithmetic number, because the mean of its divisors is an integer number (11994071026).

Almost surely, 2^23988142051 is an apocalyptic number.

23988142051 is a deficient number, since it is larger than the sum of its proper divisors (1).

23988142051 is an equidigital number, since it uses as much as digits as its factorization.

23988142051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 23988142051 in words is "twenty-three billion, nine hundred eighty-eight million, one hundred forty-two thousand, fifty-one".