23409480 has 64 divisors (see below), whose sum is σ = 70551360. Its totient is φ = 6213888.

The previous prime is 23409479. The next prime is 23409511. The reversal of 23409480 is 8490432.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44499 + ... + 45021.

It is an arithmetic number, because the mean of its divisors is an integer number (1102365).

Almost surely, 2^23409480 is an apocalyptic number.

23409480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23409480 is an abundant number, since it is smaller than the sum of its proper divisors (47141880).

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

23409480 is a wasteful number, since it uses less digits than its factorization.

23409480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 23409480 is about 4838.3344241588. The cubic root of 23409480 is about 286.0644710965.

The spelling of 23409480 in words is "twenty-three million, four hundred nine thousand, four hundred eighty".