23407530 has 32 divisors (see below), whose sum is σ = 57103488. Its totient is φ = 6139200.

The previous prime is 23407529. The next prime is 23407541. The reversal of 23407530 is 3570432.

It is a super-3 number, since 3×23407530³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23407530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4566 + ... + 8225.

It is an arithmetic number, because the mean of its divisors is an integer number (1784484).

Almost surely, 2^23407530 is an apocalyptic number.

23407530 is an abundant number, since it is smaller than the sum of its proper divisors (33695958).

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

23407530 is a wasteful number, since it uses less digits than its factorization.

23407530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12862.

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

The square root of 23407530 is about 4838.1329043341. The cubic root of 23407530 is about 286.0565278586.

Adding to 23407530 its reverse (3570432), we get a palindrome (26977962).

It can be divided in two parts, 2340 and 7530, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 23407530 in words is "twenty-three million, four hundred seven thousand, five hundred thirty".