23511011253 has 4 divisors (see below), whose sum is σ = 31348015008. Its totient is φ = 15674007500.

The previous prime is 23511011137. The next prime is 23511011287. The reversal of 23511011253 is 35211011532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23511011253 - 2⁸ = 23511010997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23511011053) 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, 3918501873 + ... + 3918501878.

It is an arithmetic number, because the mean of its divisors is an integer number (7837003752).

Almost surely, 2^23511011253 is an apocalyptic number.

It is an amenable number.

23511011253 is a deficient number, since it is larger than the sum of its proper divisors (7837003755).

23511011253 is an equidigital number, since it uses as much as digits as its factorization.

23511011253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7837003754.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 23511011253 its reverse (35211011532), we get a palindrome (58722022785).

The spelling of 23511011253 in words is "twenty-three billion, five hundred eleven million, eleven thousand, two hundred fifty-three".