23240310 has 32 divisors (see below), whose sum is σ = 57702240. Its totient is φ = 5983488.

The previous prime is 23240291. The next prime is 23240381. The reversal of 23240310 is 1304232.

It is a super-2 number, since 2×23240310² = 1080224017792200, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23240310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12487 + ... + 14226.

It is an arithmetic number, because the mean of its divisors is an integer number (1803195).

Almost surely, 2^23240310 is an apocalyptic number.

23240310 is an abundant number, since it is smaller than the sum of its proper divisors (34461930).

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

23240310 is a wasteful number, since it uses less digits than its factorization.

23240310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26752.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 23240310 is about 4820.8204695881. The cubic root of 23240310 is about 285.3737171833.

Adding to 23240310 its reverse (1304232), we get a palindrome (24544542).

The spelling of 23240310 in words is "twenty-three million, two hundred forty thousand, three hundred ten".