23123100231 has 96 divisors (see below), whose sum is σ = 42710333952. Its totient is φ = 11705057280.

The previous prime is 23123100223. The next prime is 23123100271. The reversal of 23123100231 is 13200132132.

It is not a de Polignac number, because 23123100231 - 2³ = 23123100223 is a prime.

It is a super-2 number, since 2×23123100231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123100271) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20054151 + ... + 20055303.

It is an arithmetic number, because the mean of its divisors is an integer number (444899312).

Almost surely, 2^23123100231 is an apocalyptic number.

23123100231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23123100231 is a deficient number, since it is larger than the sum of its proper divisors (19587233721).

23123100231 is a wasteful number, since it uses less digits than its factorization.

23123100231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893 (or 1890 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23123100231 its reverse (13200132132), we get a palindrome (36323232363).

The spelling of 23123100231 in words is "twenty-three billion, one hundred twenty-three million, one hundred thousand, two hundred thirty-one".