23297569387 has 16 divisors (see below), whose sum is σ = 23973912000. Its totient is φ = 22632445440.

The previous prime is 23297569333. The next prime is 23297569409. The reversal of 23297569387 is 78396579232.

It is a cyclic number.

It is not a de Polignac number, because 23297569387 - 2⁷ = 23297569259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23297569307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1656039 + ... + 1670047.

It is an arithmetic number, because the mean of its divisors is an integer number (1498369500).

Almost surely, 2^23297569387 is an apocalyptic number.

23297569387 is a deficient number, since it is larger than the sum of its proper divisors (676342613).

23297569387 is a wasteful number, since it uses less digits than its factorization.

23297569387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14406.

The product of its digits is 34292160, while the sum is 61.

The spelling of 23297569387 in words is "twenty-three billion, two hundred ninety-seven million, five hundred sixty-nine thousand, three hundred eighty-seven".