23826638623 has 2 divisors, whose sum is σ = 23826638624. Its totient is φ = 23826638622.

The previous prime is 23826638593. The next prime is 23826638639. The reversal of 23826638623 is 32683662832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23826638623 is a prime.

It is a super-2 number, since 2×23826638623² (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 (23826638683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11913319311 + 11913319312.

It is an arithmetic number, because the mean of its divisors is an integer number (11913319312).

Almost surely, 2^23826638623 is an apocalyptic number.

23826638623 is a deficient number, since it is larger than the sum of its proper divisors (1).

23826638623 is an equidigital number, since it uses as much as digits as its factorization.

23826638623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 49.

The spelling of 23826638623 in words is "twenty-three billion, eight hundred twenty-six million, six hundred thirty-eight thousand, six hundred twenty-three".