23489995783 has 2 divisors, whose sum is σ = 23489995784. Its totient is φ = 23489995782.

The previous prime is 23489995777. The next prime is 23489995883. The reversal of 23489995783 is 38759998432.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23489995783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23489995723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11744997891 + 11744997892.

It is an arithmetic number, because the mean of its divisors is an integer number (11744997892).

Almost surely, 2^23489995783 is an apocalyptic number.

23489995783 is a deficient number, since it is larger than the sum of its proper divisors (1).

23489995783 is an equidigital number, since it uses as much as digits as its factorization.

23489995783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117573120, while the sum is 67.

The spelling of 23489995783 in words is "twenty-three billion, four hundred eighty-nine million, nine hundred ninety-five thousand, seven hundred eighty-three".