23154253522 has 12 divisors (see below), whose sum is σ = 34870493358. Its totient is φ = 11530940000.

The previous prime is 23154253513. The next prime is 23154253523. The reversal of 23154253522 is 22535245132.

It can be written as a sum of positive squares in only one way, i.e., 14575974361 + 8578279161 = 120731^2 + 92619^2 .

It is a super-2 number, since 2×23154253522² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23154253523) 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, 34122 + ... + 217882.

Almost surely, 2^23154253522 is an apocalyptic number.

23154253522 is a deficient number, since it is larger than the sum of its proper divisors (11716239836).

23154253522 is an equidigital number, since it uses as much as digits as its factorization.

23154253522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184265 (or 184014 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

Adding to 23154253522 its reverse (22535245132), we get a palindrome (45689498654).

It can be divided in two parts, 23154 and 253522, that added together give a square (276676 = 526²).

The spelling of 23154253522 in words is "twenty-three billion, one hundred fifty-four million, two hundred fifty-three thousand, five hundred twenty-two".