23115211125 has 16 divisors (see below), whose sum is σ = 38463711936. Its totient is φ = 12328112400.

The previous prime is 23115211123. The next prime is 23115211129. The reversal of 23115211125 is 52111251132.

It is not a de Polignac number, because 23115211125 - 2¹ = 23115211123 is a prime.

It is a super-3 number, since 3×23115211125³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23115211095 and 23115211104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23115211123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30819907 + ... + 30820656.

It is an arithmetic number, because the mean of its divisors is an integer number (2403981996).

Almost surely, 2^23115211125 is an apocalyptic number.

23115211125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23115211125 is a deficient number, since it is larger than the sum of its proper divisors (15348500811).

23115211125 is an equidigital number, since it uses as much as digits as its factorization.

23115211125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61640581 (or 61640571 counting only the distinct ones).

The product of its digits is 600, while the sum is 24.

Adding to 23115211125 its reverse (52111251132), we get a palindrome (75226462257).

The spelling of 23115211125 in words is "twenty-three billion, one hundred fifteen million, two hundred eleven thousand, one hundred twenty-five".