23431233 has 8 divisors (see below), whose sum is σ = 35704768. Its totient is φ = 13389264.

The previous prime is 23431231. The next prime is 23431241. The reversal of 23431233 is 33213432.

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

It is not a de Polignac number, because 23431233 - 2¹ = 23431231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1115773 = 23431233 / (2 + 3 + 4 + 3 + 1 + 2 + 3 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23431231) 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, 557866 + ... + 557907.

It is an arithmetic number, because the mean of its divisors is an integer number (4463096).

Almost surely, 2^23431233 is an apocalyptic number.

It is an amenable number.

23431233 is a deficient number, since it is larger than the sum of its proper divisors (12273535).

23431233 is a wasteful number, since it uses less digits than its factorization.

23431233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115783.

The product of its digits is 1296, while the sum is 21.

The square root of 23431233 is about 4840.5818865091. The cubic root of 23431233 is about 286.1530510786.

Adding to 23431233 its reverse (33213432), we get a palindrome (56644665).

The spelling of 23431233 in words is "twenty-three million, four hundred thirty-one thousand, two hundred thirty-three".