23119280 has 20 divisors (see below), whose sum is σ = 53752512. Its totient is φ = 9247680.

The previous prime is 23119279. The next prime is 23119297. The reversal of 23119280 is 8291132.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×23119280² = 1069002215436800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144416 + ... + 144575.

Almost surely, 2^23119280 is an apocalyptic number.

23119280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23119280 is an abundant number, since it is smaller than the sum of its proper divisors (30633232).

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

23119280 is a wasteful number, since it uses less digits than its factorization.

23119280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289004 (or 288998 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 23119280 is about 4808.2512413558. The cubic root of 23119280 is about 284.8774686157.

The spelling of 23119280 in words is "twenty-three million, one hundred nineteen thousand, two hundred eighty".