23315425251 has 16 divisors (see below), whose sum is σ = 33366802464. Its totient is φ = 14428882944.

The previous prime is 23315425247. The next prime is 23315425267. The reversal of 23315425251 is 15252451332.

It is not a de Polignac number, because 23315425251 - 2² = 23315425247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23315425271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3127546 + ... + 3134991.

It is an arithmetic number, because the mean of its divisors is an integer number (2085425154).

Almost surely, 2^23315425251 is an apocalyptic number.

23315425251 is a deficient number, since it is larger than the sum of its proper divisors (10051377213).

23315425251 is a wasteful number, since it uses less digits than its factorization.

23315425251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6262630.

The product of its digits is 36000, while the sum is 33.

Adding to 23315425251 its reverse (15252451332), we get a palindrome (38567876583).

The spelling of 23315425251 in words is "twenty-three billion, three hundred fifteen million, four hundred twenty-five thousand, two hundred fifty-one".