23003120 has 40 divisors (see below), whose sum is σ = 61124064. Its totient is φ = 7886592.

The previous prime is 23003117. The next prime is 23003131. The reversal of 23003120 is 2130032.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19979 + ... + 21098.

Almost surely, 2^23003120 is an apocalyptic number.

23003120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23003120 is an abundant number, since it is smaller than the sum of its proper divisors (38120944).

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

23003120 is a wasteful number, since it uses less digits than its factorization.

23003120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41097 (or 41091 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 23003120 is about 4796.1567947681. The cubic root of 23003120 is about 284.3995566283.

Adding to 23003120 its reverse (2130032), we get a palindrome (25133152).

The spelling of 23003120 in words is "twenty-three million, three thousand, one hundred twenty".