23485718919 has 12 divisors (see below), whose sum is σ = 33908375976. Its totient is φ = 14452749792.

The previous prime is 23485718881. The next prime is 23485718983. The reversal of 23485718919 is 91981758432.

It is not a de Polignac number, because 23485718919 - 2¹² = 23485714823 is a prime.

It is a super-2 number, since 2×23485718919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23485718989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23160952 + ... + 23161965.

It is an arithmetic number, because the mean of its divisors is an integer number (2825697998).

Almost surely, 2^23485718919 is an apocalyptic number.

23485718919 is a deficient number, since it is larger than the sum of its proper divisors (10422657057).

23485718919 is a wasteful number, since it uses less digits than its factorization.

23485718919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46322946 (or 46322933 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 57.

The spelling of 23485718919 in words is "twenty-three billion, four hundred eighty-five million, seven hundred eighteen thousand, nine hundred nineteen".