23389280 has 48 divisors (see below), whose sum is σ = 58514400. Its totient is φ = 8804352.

The previous prime is 23389279. The next prime is 23389307. The reversal of 23389280 is 8298332.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 23389280.

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, 1580 + ... + 7019.

It is an arithmetic number, because the mean of its divisors is an integer number (1219050).

Almost surely, 2^23389280 is an apocalyptic number.

23389280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23389280 is an abundant number, since it is smaller than the sum of its proper divisors (35125120).

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

23389280 is a wasteful number, since it uses less digits than its factorization.

23389280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8631 (or 8623 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 23389280 is about 4836.2464784169. The cubic root of 23389280 is about 285.9821659051.

The spelling of 23389280 in words is "twenty-three million, three hundred eighty-nine thousand, two hundred eighty".