23310340 has 24 divisors (see below), whose sum is σ = 51528960. Its totient is φ = 8833248.

The previous prime is 23310319. The next prime is 23310341. The reversal of 23310340 is 4301332.

It is not an unprimeable number, because it can be changed into a prime (23310341) 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, 30292 + ... + 31051.

It is an arithmetic number, because the mean of its divisors is an integer number (2147040).

Almost surely, 2^23310340 is an apocalyptic number.

23310340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23310340 is an abundant number, since it is smaller than the sum of its proper divisors (28218620).

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

23310340 is a wasteful number, since it uses less digits than its factorization.

23310340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61371 (or 61369 counting only the distinct ones).

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

The square root of 23310340 is about 4828.0782926543. The cubic root of 23310340 is about 285.6600685219.

Adding to 23310340 its reverse (4301332), we get a palindrome (27611672).

The spelling of 23310340 in words is "twenty-three million, three hundred ten thousand, three hundred forty".