23730522 has 8 divisors (see below), whose sum is σ = 47461056. Its totient is φ = 7910172.

The previous prime is 23730493. The next prime is 23730523. The reversal of 23730522 is 22503732.

It is a sphenic number, since it is the product of 3 distinct primes.

23730522 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 23730492 and 23730501.

It is not an unprimeable number, because it can be changed into a prime (23730523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1977538 + ... + 1977549.

It is an arithmetic number, because the mean of its divisors is an integer number (5932632).

Almost surely, 2^23730522 is an apocalyptic number.

23730522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23730522 is a wasteful number, since it uses less digits than its factorization.

23730522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955092.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 23730522 is about 4871.3983618669. The cubic root of 23730522 is about 287.3662520925.

The spelling of 23730522 in words is "twenty-three million, seven hundred thirty thousand, five hundred twenty-two".