23290120 has 64 divisors (see below), whose sum is σ = 60318720. Its totient is φ = 7928064.

The previous prime is 23290117. The next prime is 23290121. The reversal of 23290120 is 2109232.

It is a happy number.

It is a super-2 number, since 2×23290120² = 1084859379228800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23290121) 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, 62254 + ... + 62626.

It is an arithmetic number, because the mean of its divisors is an integer number (942480).

Almost surely, 2^23290120 is an apocalyptic number.

23290120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23290120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30159360).

23290120 is an abundant number, since it is smaller than the sum of its proper divisors (37028600).

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

23290120 is a wasteful number, since it uses less digits than its factorization.

23290120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 23290120 is about 4825.9838375196. The cubic root of 23290120 is about 285.5774482843.

Adding to 23290120 its reverse (2109232), we get a palindrome (25399352).

The spelling of 23290120 in words is "twenty-three million, two hundred ninety thousand, one hundred twenty".