23099547965 has 16 divisors (see below), whose sum is σ = 29857755648. Its totient is φ = 17054680896.

The previous prime is 23099547883. The next prime is 23099547967. The reversal of 23099547965 is 56974599032.

It is a cyclic number.

It is not a de Polignac number, because 23099547965 - 2²⁸ = 22831112509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23099547967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314324 + ... + 380786.

It is an arithmetic number, because the mean of its divisors is an integer number (1866109728).

Almost surely, 2^23099547965 is an apocalyptic number.

It is an amenable number.

23099547965 is a deficient number, since it is larger than the sum of its proper divisors (6758207683).

23099547965 is a wasteful number, since it uses less digits than its factorization.

23099547965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71828.

The product of its (nonzero) digits is 18370800, while the sum is 59.

The spelling of 23099547965 in words is "twenty-three billion, ninety-nine million, five hundred forty-seven thousand, nine hundred sixty-five".