23229580 has 72 divisors (see below), whose sum is σ = 55636560. Its totient is φ = 8131200.

The previous prime is 23229553. The next prime is 23229601. The reversal of 23229580 is 8592232.

It is a super-2 number, since 2×23229580² = 1079226773952800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

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 23 ways as a sum of consecutive naturals, for example, 70015 + ... + 70345.

It is an arithmetic number, because the mean of its divisors is an integer number (772730).

Almost surely, 2^23229580 is an apocalyptic number.

23229580 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 23229580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27818280).

23229580 is an abundant number, since it is smaller than the sum of its proper divisors (32406980).

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

23229580 is a wasteful number, since it uses less digits than its factorization.

23229580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 23229580 is about 4819.7074600021. The cubic root of 23229580 is about 285.3297916166.

The spelling of 23229580 in words is "twenty-three million, two hundred twenty-nine thousand, five hundred eighty".