23020331 has 8 divisors (see below), whose sum is σ = 23583504. Its totient is φ = 22464000.

The previous prime is 23020307. The next prime is 23020337. The reversal of 23020331 is 13302032.

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 23020331 - 2¹⁰ = 23019307 is a prime.

It is a super-2 number, since 2×23020331² = 1059871278699122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23020337) 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, 5456 + ... + 8706.

It is an arithmetic number, because the mean of its divisors is an integer number (2947938).

Almost surely, 2^23020331 is an apocalyptic number.

23020331 is a deficient number, since it is larger than the sum of its proper divisors (563173).

23020331 is an equidigital number, since it uses as much as digits as its factorization.

23020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 23020331 is about 4797.9507083754. The cubic root of 23020331 is about 284.4704684656.

Adding to 23020331 its reverse (13302032), we get a palindrome (36322363).

The spelling of 23020331 in words is "twenty-three million, twenty thousand, three hundred thirty-one".