23312151251 has 8 divisors (see below), whose sum is σ = 24611929680. Its totient is φ = 22019655168.

The previous prime is 23312151241. The next prime is 23312151253. The reversal of 23312151251 is 15215121332.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23312151251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23312151251.

It is not an unprimeable number, because it can be changed into a prime (23312151253) 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, 1814006 + ... + 1826811.

It is an arithmetic number, because the mean of its divisors is an integer number (3076491210).

Almost surely, 2^23312151251 is an apocalyptic number.

23312151251 is a deficient number, since it is larger than the sum of its proper divisors (1299778429).

23312151251 is a wasteful number, since it uses less digits than its factorization.

23312151251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641173.

The product of its digits is 1800, while the sum is 26.

Adding to 23312151251 its reverse (15215121332), we get a palindrome (38527272583).

The spelling of 23312151251 in words is "twenty-three billion, three hundred twelve million, one hundred fifty-one thousand, two hundred fifty-one".