23251340223 has 60 divisors (see below), whose sum is σ = 36051667344. Its totient is φ = 14933419200.

The previous prime is 23251340191. The next prime is 23251340227. The reversal of 23251340223 is 32204315232.

23251340223 is a `hidden beast` number, since 2 + 3 + 251 + 3 + 402 + 2 + 3 = 666.

It is not a de Polignac number, because 23251340223 - 2⁵ = 23251340191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23251340227) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 21872790 + ... + 21873852.

Almost surely, 2^23251340223 is an apocalyptic number.

23251340223 is a deficient number, since it is larger than the sum of its proper divisors (12800327121).

23251340223 is a wasteful number, since it uses less digits than its factorization.

23251340223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418 (or 1378 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 23251340223 its reverse (32204315232), we get a palindrome (55455655455).

The spelling of 23251340223 in words is "twenty-three billion, two hundred fifty-one million, three hundred forty thousand, two hundred twenty-three".