23320230 has 32 divisors (see below), whose sum is σ = 56519424. Its totient is φ = 6157536.

The previous prime is 23320181. The next prime is 23320237. The reversal of 23320230 is 3202332.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320237) 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, 684 + ... + 6863.

It is an arithmetic number, because the mean of its divisors is an integer number (1766232).

Almost surely, 2^23320230 is an apocalyptic number.

23320230 is an abundant number, since it is smaller than the sum of its proper divisors (33199194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23320230 is a wasteful number, since it uses less digits than its factorization.

23320230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7660.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 23320230 is about 4829.1024010679. The cubic root of 23320230 is about 285.7004623074.

Adding to 23320230 its reverse (3202332), we get a palindrome (26522562).

The spelling of 23320230 in words is "twenty-three million, three hundred twenty thousand, two hundred thirty".