23947701047 has 2 divisors, whose sum is σ = 23947701048. Its totient is φ = 23947701046.

The previous prime is 23947700971. The next prime is 23947701053. The reversal of 23947701047 is 74010774932.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23947701047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23947700989 and 23947701007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23947701347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11973850523 + 11973850524.

It is an arithmetic number, because the mean of its divisors is an integer number (11973850524).

Almost surely, 2^23947701047 is an apocalyptic number.

23947701047 is a deficient number, since it is larger than the sum of its proper divisors (1).

23947701047 is an equidigital number, since it uses as much as digits as its factorization.

23947701047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 23947701047 in words is "twenty-three billion, nine hundred forty-seven million, seven hundred one thousand, forty-seven".