23199120 has 120 divisors (see below), whose sum is σ = 89059776. Its totient is φ = 5301504.

The previous prime is 23199119. The next prime is 23199161. The reversal of 23199120 is 2199132.

It is a tau number, because it is divible by the number of its divisors (120).

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 23 ways as a sum of consecutive naturals, for example, 2739 + ... + 7341.

Almost surely, 2^23199120 is an apocalyptic number.

23199120 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 23199120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44529888).

23199120 is an abundant number, since it is smaller than the sum of its proper divisors (65860656).

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

23199120 is a wasteful number, since it uses less digits than its factorization.

23199120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4629 (or 4620 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 23199120 is about 4816.5464806228. The cubic root of 23199120 is about 285.2050232968.

The spelling of 23199120 in words is "twenty-three million, one hundred ninety-nine thousand, one hundred twenty".