23780460 has 96 divisors (see below), whose sum is σ = 73446912. Its totient is φ = 5701120.

The previous prime is 23780453. The next prime is 23780473. The reversal of 23780460 is 6408732.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90289 + ... + 90551.

It is an arithmetic number, because the mean of its divisors is an integer number (765072).

Almost surely, 2^23780460 is an apocalyptic number.

23780460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23780460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36723456).

23780460 is an abundant number, since it is smaller than the sum of its proper divisors (49666452).

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

23780460 is a wasteful number, since it uses less digits than its factorization.

23780460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 23780460 is about 4876.5213010916. The cubic root of 23780460 is about 287.5676866467.

The spelling of 23780460 in words is "twenty-three million, seven hundred eighty thousand, four hundred sixty".