23348640 has 96 divisors (see below), whose sum is σ = 84067200. Its totient is φ = 5336064.

The previous prime is 23348623. The next prime is 23348653. The reversal of 23348640 is 4684332.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a junction number, because it is equal to n+sod(n) for n = 23348598 and 23348607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115 + ... + 6834.

It is an arithmetic number, because the mean of its divisors is an integer number (875700).

Almost surely, 2^23348640 is an apocalyptic number.

23348640 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 23348640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42033600).

23348640 is an abundant number, since it is smaller than the sum of its proper divisors (60718560).

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

23348640 is a wasteful number, since it uses less digits than its factorization.

23348640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6974 (or 6966 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 23348640 is about 4832.0430461659. The cubic root of 23348640 is about 285.8164339519.

The spelling of 23348640 in words is "twenty-three million, three hundred forty-eight thousand, six hundred forty".