23911673956 has 9 divisors (see below), whose sum is σ = 41845970649. Its totient is φ = 11955682344.

The previous prime is 23911673953. The next prime is 23911673957. The reversal of 23911673956 is 65937611932.

The square root of 23911673956 is 154634.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 16483992100 + 7427681856 = 128390^2 + 86184^2 .

It is a pancake number, because a pancake can be divided into 23911673956 parts by 218685 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23911673953) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 270610 + ... + 347926.

Almost surely, 2^23911673956 is an apocalyptic number.

23911673956 is the 154634-th square number.

It is an amenable number.

23911673956 is a deficient number, since it is larger than the sum of its proper divisors (17934296693).

23911673956 is an frugal number, since it uses more digits than its factorization.

23911673956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154638 (or 77319 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 52.

The spelling of 23911673956 in words is "twenty-three billion, nine hundred eleven million, six hundred seventy-three thousand, nine hundred fifty-six".