23261120 has 56 divisors (see below), whose sum is σ = 55863744. Its totient is φ = 9225216.

The previous prime is 23261113. The next prime is 23261131. The reversal of 23261120 is 2116232.

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, 50009 + ... + 50471.

Almost surely, 2^23261120 is an apocalyptic number.

23261120 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 23261120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27931872).

23261120 is an abundant number, since it is smaller than the sum of its proper divisors (32602624).

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

23261120 is a wasteful number, since it uses less digits than its factorization.

23261120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 23261120 is about 4822.9783329391. The cubic root of 23261120 is about 285.4588688787.

Adding to 23261120 its reverse (2116232), we get a palindrome (25377352).

The spelling of 23261120 in words is "twenty-three million, two hundred sixty-one thousand, one hundred twenty".