23103320 has 32 divisors (see below), whose sum is σ = 53092800. Its totient is φ = 9043968.

The previous prime is 23103319. The next prime is 23103331. The reversal of 23103320 is 2330132.

It is a junction number, because it is equal to n+sod(n) for n = 23103295 and 23103304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4265 + ... + 8024.

It is an arithmetic number, because the mean of its divisors is an integer number (1659150).

Almost surely, 2^23103320 is an apocalyptic number.

23103320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23103320 is an abundant number, since it is smaller than the sum of its proper divisors (29989480).

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

23103320 is a wasteful number, since it uses less digits than its factorization.

23103320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12347 (or 12343 counting only the distinct ones).

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

The square root of 23103320 is about 4806.5913077773. The cubic root of 23103320 is about 284.8119000940.

Adding to 23103320 its reverse (2330132), we get a palindrome (25433452).

The spelling of 23103320 in words is "twenty-three million, one hundred three thousand, three hundred twenty".