23256555001 has 3 divisors (see below), whose sum is σ = 23256707503. Its totient is φ = 23256402500.

The previous prime is 23256554983. The next prime is 23256555011. The reversal of 23256555001 is 10055565232.

The square root of 23256555001 is 152501.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3606122601 + 19650432400 = 60051^2 + 140180^2 .

It is not a de Polignac number, because 23256555001 - 2¹¹ = 23256552953 is a prime.

It is a super-2 number, since 2×23256555001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23256555011) 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, 76251 + ... + 228751.

Almost surely, 2^23256555001 is an apocalyptic number.

23256555001 is the 152501-st square number.

23256555001 is the 76251-st centered octagonal number.

It is an amenable number.

23256555001 is a deficient number, since it is larger than the sum of its proper divisors (152502).

23256555001 is an frugal number, since it uses more digits than its factorization.

23256555001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305002 (or 152501 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 23256555001 in words is "twenty-three billion, two hundred fifty-six million, five hundred fifty-five thousand, one".