23251551413 has 4 divisors (see below), whose sum is σ = 23344187328. Its totient is φ = 23158915500.

The previous prime is 23251551403. The next prime is 23251551439. The reversal of 23251551413 is 31415515232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23251551413 - 2¹⁴ = 23251535029 is a prime.

It is a super-2 number, since 2×23251551413² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23251551413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23251551403) 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, 46317581 + ... + 46318082.

It is an arithmetic number, because the mean of its divisors is an integer number (5836046832).

Almost surely, 2^23251551413 is an apocalyptic number.

It is an amenable number.

23251551413 is a deficient number, since it is larger than the sum of its proper divisors (92635915).

23251551413 is an equidigital number, since it uses as much as digits as its factorization.

23251551413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92635914.

The product of its digits is 18000, while the sum is 32.

The spelling of 23251551413 in words is "twenty-three billion, two hundred fifty-one million, five hundred fifty-one thousand, four hundred thirteen".