23107280 has 40 divisors (see below), whose sum is σ = 61400832. Its totient is φ = 7922304.

The previous prime is 23107261. The next prime is 23107303. The reversal of 23107280 is 8270132.

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, 20072 + ... + 21191.

Almost surely, 2^23107280 is an apocalyptic number.

23107280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23107280 is an abundant number, since it is smaller than the sum of its proper divisors (38293552).

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

23107280 is a wasteful number, since it uses less digits than its factorization.

23107280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41283 (or 41277 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 23107280 is about 4807.0032244632. The cubic root of 23107280 is about 284.8281717913.

The spelling of 23107280 in words is "twenty-three million, one hundred seven thousand, two hundred eighty".