23450331 has 4 divisors (see below), whose sum is σ = 31267112. Its totient is φ = 15633552.

The previous prime is 23450303. The next prime is 23450347. The reversal of 23450331 is 13305432.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-23450331 is a prime.

It is a super-2 number, since 2×23450331² = 1099836048019122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23450298 and 23450307.

It is not an unprimeable number, because it can be changed into a prime (23450431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3908386 + ... + 3908391.

It is an arithmetic number, because the mean of its divisors is an integer number (7816778).

Almost surely, 2^23450331 is an apocalyptic number.

23450331 is a deficient number, since it is larger than the sum of its proper divisors (7816781).

23450331 is an equidigital number, since it uses as much as digits as its factorization.

23450331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7816780.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 23450331 is about 4842.5541814212. The cubic root of 23450331 is about 286.2307745013.

Adding to 23450331 its reverse (13305432), we get a palindrome (36755763).

The spelling of 23450331 in words is "twenty-three million, four hundred fifty thousand, three hundred thirty-one".