23702387953 has 2 divisors, whose sum is σ = 23702387954. Its totient is φ = 23702387952.

The previous prime is 23702387939. The next prime is 23702387977. The reversal of 23702387953 is 35978320732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13583436304 + 10118951649 = 116548^2 + 100593^2 .

It is a cyclic number.

It is not a de Polignac number, because 23702387953 - 2³³ = 15112453361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23702387897 and 23702387906.

It is not a weakly prime, because it can be changed into another prime (23702387153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11851193976 + 11851193977.

It is an arithmetic number, because the mean of its divisors is an integer number (11851193977).

Almost surely, 2^23702387953 is an apocalyptic number.

It is an amenable number.

23702387953 is a deficient number, since it is larger than the sum of its proper divisors (1).

23702387953 is an equidigital number, since it uses as much as digits as its factorization.

23702387953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 23702387953 in words is "twenty-three billion, seven hundred two million, three hundred eighty-seven thousand, nine hundred fifty-three".