23002533251 has 4 divisors (see below), whose sum is σ = 23098778400. Its totient is φ = 22906288104.

The previous prime is 23002533227. The next prime is 23002533271. The reversal of 23002533251 is 15233520032.

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-23002533251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23002533251.

It is not an unprimeable number, because it can be changed into a prime (23002533221) 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, 48122216 + ... + 48122693.

It is an arithmetic number, because the mean of its divisors is an integer number (5774694600).

Almost surely, 2^23002533251 is an apocalyptic number.

23002533251 is a deficient number, since it is larger than the sum of its proper divisors (96245149).

23002533251 is an equidigital number, since it uses as much as digits as its factorization.

23002533251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96245148.

The product of its (nonzero) digits is 5400, while the sum is 26.

The spelling of 23002533251 in words is "twenty-three billion, two million, five hundred thirty-three thousand, two hundred fifty-one".