23942953637 has 2 divisors, whose sum is σ = 23942953638. Its totient is φ = 23942953636.

The previous prime is 23942953631. The next prime is 23942953651. The reversal of 23942953637 is 73635924932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20519416516 + 3423537121 = 143246^2 + 58511^2 .

It is a cyclic number.

It is not a de Polignac number, because 23942953637 - 2⁸ = 23942953381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23942953631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11971476818 + 11971476819.

It is an arithmetic number, because the mean of its divisors is an integer number (11971476819).

Almost surely, 2^23942953637 is an apocalyptic number.

It is an amenable number.

23942953637 is a deficient number, since it is larger than the sum of its proper divisors (1).

23942953637 is an equidigital number, since it uses as much as digits as its factorization.

23942953637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 53.

It can be divided in two parts, 2394295 and 3637, that added together give a palindrome (2397932).

The spelling of 23942953637 in words is "twenty-three billion, nine hundred forty-two million, nine hundred fifty-three thousand, six hundred thirty-seven".