23057580 has 192 divisors, whose sum is σ = 82188288. Its totient is φ = 4700160.

The previous prime is 23057563. The next prime is 23057591. The reversal of 23057580 is 8575032.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 223809 + ... + 223911.

It is an arithmetic number, because the mean of its divisors is an integer number (428064).

Almost surely, 2^23057580 is an apocalyptic number.

23057580 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 23057580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41094144).

23057580 is an abundant number, since it is smaller than the sum of its proper divisors (59130708).

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

23057580 is a wasteful number, since it uses less digits than its factorization.

23057580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 23057580 is about 4801.8309008127. The cubic root of 23057580 is about 284.6238188581.

The spelling of 23057580 in words is "twenty-three million, fifty-seven thousand, five hundred eighty".