23093780 has 24 divisors (see below), whose sum is σ = 49321440. Its totient is φ = 9080480.

The previous prime is 23093747. The next prime is 23093821. The reversal of 23093780 is 8739032.

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, 8606 + ... + 10965.

It is an arithmetic number, because the mean of its divisors is an integer number (2055060).

Almost surely, 2^23093780 is an apocalyptic number.

23093780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23093780 is an abundant number, since it is smaller than the sum of its proper divisors (26227660).

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

23093780 is a wasteful number, since it uses less digits than its factorization.

23093780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19639 (or 19637 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 23093780 is about 4805.5988180455. The cubic root of 23093780 is about 284.7726924592.

The spelling of 23093780 in words is "twenty-three million, ninety-three thousand, seven hundred eighty".