23223031 has 16 divisors (see below), whose sum is σ = 26389440. Its totient is φ = 20275200.

The previous prime is 23223017. The next prime is 23223041. The reversal of 23223031 is 13032232.

It is a cyclic number.

It is not a de Polignac number, because 23223031 - 2¹³ = 23214839 is a prime.

It is a super-2 number, since 2×23223031² = 1078618337653922, 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 = 23222996 and 23223014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29815 + ... + 30583.

It is an arithmetic number, because the mean of its divisors is an integer number (1649340).

Almost surely, 2^23223031 is an apocalyptic number.

23223031 is a deficient number, since it is larger than the sum of its proper divisors (3166409).

23223031 is a wasteful number, since it uses less digits than its factorization.

23223031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 23223031 is about 4819.0280140294. The cubic root of 23223031 is about 285.3029752265.

Adding to 23223031 its reverse (13032232), we get a palindrome (36255263).

The spelling of 23223031 in words is "twenty-three million, two hundred twenty-three thousand, thirty-one".