23144256157 has 8 divisors (see below), whose sum is σ = 25249394880. Its totient is φ = 21039303360.

The previous prime is 23144256139. The next prime is 23144256197. The reversal of 23144256157 is 75165244132.

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

It is a cyclic number.

It is not a de Polignac number, because 23144256157 - 2¹¹ = 23144254109 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 (23144256197) 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, 401944 + ... + 455902.

It is an arithmetic number, because the mean of its divisors is an integer number (3156174360).

Almost surely, 2^23144256157 is an apocalyptic number.

It is an amenable number.

23144256157 is a deficient number, since it is larger than the sum of its proper divisors (2105138723).

23144256157 is a wasteful number, since it uses less digits than its factorization.

23144256157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92963.

The product of its digits is 201600, while the sum is 40.

The spelling of 23144256157 in words is "twenty-three billion, one hundred forty-four million, two hundred fifty-six thousand, one hundred fifty-seven".