23251130523 has 6 divisors (see below), whose sum is σ = 33584966324. Its totient is φ = 15500753676.

The previous prime is 23251130467. The next prime is 23251130527. The reversal of 23251130523 is 32503115232.

It is a happy number.

23251130523 is a `hidden beast` number, since 2 + 3 + 2 + 5 + 1 + 130 + 523 = 666.

It is not a de Polignac number, because 23251130523 - 2¹⁷ = 23250999451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23251130527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1291729465 + ... + 1291729482.

Almost surely, 2^23251130523 is an apocalyptic number.

23251130523 is a deficient number, since it is larger than the sum of its proper divisors (10333835801).

23251130523 is a wasteful number, since it uses less digits than its factorization.

23251130523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583458953 (or 2583458950 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 23251130523 its reverse (32503115232), we get a palindrome (55754245755).

The spelling of 23251130523 in words is "twenty-three billion, two hundred fifty-one million, one hundred thirty thousand, five hundred twenty-three".