23256163911 has 8 divisors (see below), whose sum is σ = 31027283584. Its totient is φ = 15494576760.

The previous prime is 23256163883. The next prime is 23256163919. The reversal of 23256163911 is 11936165232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23256163911 - 2⁷ = 23256163783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23256163911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23256163919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2377435 + ... + 2387196.

It is an arithmetic number, because the mean of its divisors is an integer number (3878410448).

Almost surely, 2^23256163911 is an apocalyptic number.

23256163911 is a deficient number, since it is larger than the sum of its proper divisors (7771119673).

23256163911 is a wasteful number, since it uses less digits than its factorization.

23256163911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766261.

The product of its digits is 58320, while the sum is 39.

The spelling of 23256163911 in words is "twenty-three billion, two hundred fifty-six million, one hundred sixty-three thousand, nine hundred eleven".