23705820623 has 2 divisors, whose sum is σ = 23705820624. Its totient is φ = 23705820622.

The previous prime is 23705820617. The next prime is 23705820659. The reversal of 23705820623 is 32602850732.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23705820623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23705825623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11852910311 + 11852910312.

It is an arithmetic number, because the mean of its divisors is an integer number (11852910312).

Almost surely, 2^23705820623 is an apocalyptic number.

23705820623 is a deficient number, since it is larger than the sum of its proper divisors (1).

23705820623 is an equidigital number, since it uses as much as digits as its factorization.

23705820623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 23705820623 in words is "twenty-three billion, seven hundred five million, eight hundred twenty thousand, six hundred twenty-three".