23687493623 has 2 divisors, whose sum is σ = 23687493624. Its totient is φ = 23687493622.

The previous prime is 23687493559. The next prime is 23687493659. The reversal of 23687493623 is 32639478632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23687493623 - 2⁶ = 23687493559 is a prime.

It is a super-2 number, since 2×23687493623² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23687493523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11843746811 + 11843746812.

It is an arithmetic number, because the mean of its divisors is an integer number (11843746812).

Almost surely, 2^23687493623 is an apocalyptic number.

23687493623 is a deficient number, since it is larger than the sum of its proper divisors (1).

23687493623 is an equidigital number, since it uses as much as digits as its factorization.

23687493623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 53.

The spelling of 23687493623 in words is "twenty-three billion, six hundred eighty-seven million, four hundred ninety-three thousand, six hundred twenty-three".