23240120 has 32 divisors (see below), whose sum is σ = 54565920. Its totient is φ = 8891520.

The previous prime is 23240117. The next prime is 23240131. The reversal of 23240120 is 2104232.

It is a super-2 number, since 2×23240120² = 1080206355228800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23240095 and 23240104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11711 + ... + 13550.

It is an arithmetic number, because the mean of its divisors is an integer number (1705185).

Almost surely, 2^23240120 is an apocalyptic number.

23240120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23240120 is an abundant number, since it is smaller than the sum of its proper divisors (31325800).

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

23240120 is a wasteful number, since it uses less digits than its factorization.

23240120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25295 (or 25291 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 23240120 is about 4820.8007633587. The cubic root of 23240120 is about 285.3729394949.

Adding to 23240120 its reverse (2104232), we get a palindrome (25344352).

The spelling of 23240120 in words is "twenty-three million, two hundred forty thousand, one hundred twenty".