23431123 has 8 divisors (see below), whose sum is σ = 24830720. Its totient is φ = 22048200.

The previous prime is 23431103. The next prime is 23431127. The reversal of 23431123 is 32113432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23431123 - 2²¹ = 21333971 is a prime.

It is a super-2 number, since 2×23431123² = 1098035050082258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 23431123.

It is not an unprimeable number, because it can be changed into a prime (23431127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215 + ... + 6952.

It is an arithmetic number, because the mean of its divisors is an integer number (3103840).

Almost surely, 2^23431123 is an apocalyptic number.

23431123 is a deficient number, since it is larger than the sum of its proper divisors (1399597).

23431123 is a wasteful number, since it uses less digits than its factorization.

23431123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8337.

The product of its digits is 432, while the sum is 19.

The square root of 23431123 is about 4840.5705242254. The cubic root of 23431123 is about 286.1526032876.

Adding to 23431123 its reverse (32113432), we get a palindrome (55544555).

The spelling of 23431123 in words is "twenty-three million, four hundred thirty-one thousand, one hundred twenty-three".