23345431 has 8 divisors (see below), whose sum is σ = 24038784. Its totient is φ = 22659000.

The previous prime is 23345407. The next prime is 23345447. The reversal of 23345431 is 13454332.

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 23345431 - 2⁷ = 23345303 is a prime.

It is a super-2 number, since 2×23345431² = 1090018297151522, 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 = 23345396 and 23345405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23346431) 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, 5556 + ... + 8806.

It is an arithmetic number, because the mean of its divisors is an integer number (3004848).

Almost surely, 2^23345431 is an apocalyptic number.

23345431 is a deficient number, since it is larger than the sum of its proper divisors (693353).

23345431 is a wasteful number, since it uses less digits than its factorization.

23345431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461.

The product of its digits is 4320, while the sum is 25.

The square root of 23345431 is about 4831.7109805948. The cubic root of 23345431 is about 285.8033392997.

Adding to 23345431 its reverse (13454332), we get a palindrome (36799763).

It can be divided in two parts, 2 and 3345431, that added together give a palindrome (3345433).

The spelling of 23345431 in words is "twenty-three million, three hundred forty-five thousand, four hundred thirty-one".