23772530 has 8 divisors (see below), whose sum is σ = 42790572. Its totient is φ = 9509008.

The previous prime is 23772527. The next prime is 23772557. The reversal of 23772530 is 3527732.

It can be written as a sum of positive squares in 2 ways, for example, as 22401289 + 1371241 = 4733^2 + 1171^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 23772493 and 23772502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188617 + ... + 1188636.

Almost surely, 2^23772530 is an apocalyptic number.

23772530 is a deficient number, since it is larger than the sum of its proper divisors (19018042).

23772530 is a wasteful number, since it uses less digits than its factorization.

23772530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377260.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 23772530 is about 4875.7081536942. The cubic root of 23772530 is about 287.5357183096.

The spelling of 23772530 in words is "twenty-three million, seven hundred seventy-two thousand, five hundred thirty".