23113425452251 has 4 divisors (see below), whose sum is σ = 23124884762872. Its totient is φ = 23101966141632.

The previous prime is 23113425452209. The next prime is 23113425452291. The reversal of 23113425452251 is 15225452431132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23113425452251 is a prime.

It is a super-2 number, since 2×23113425452251² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23113425452291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5729652285 + ... + 5729656318.

It is an arithmetic number, because the mean of its divisors is an integer number (5781221190718).

Almost surely, 2^{23113425452251} is an apocalyptic number.

23113425452251 is a deficient number, since it is larger than the sum of its proper divisors (11459310621).

23113425452251 is a wasteful number, since it uses less digits than its factorization.

23113425452251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459310620.

The product of its digits is 288000, while the sum is 40.

Adding to 23113425452251 its reverse (15225452431132), we get a palindrome (38338877883383).

The spelling of 23113425452251 in words is "twenty-three trillion, one hundred thirteen billion, four hundred twenty-five million, four hundred fifty-two thousand, two hundred fifty-one".