23438306 has 16 divisors (see below), whose sum is σ = 36226008. Its totient is φ = 11366400.

The previous prime is 23438269. The next prime is 23438309. The reversal of 23438306 is 60383432.

It can be written as a sum of positive squares in 4 ways, for example, as 10297681 + 13140625 = 3209^2 + 3625^2 .

It is not an unprimeable number, because it can be changed into a prime (23438309) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15086 + ... + 16566.

Almost surely, 2^23438306 is an apocalyptic number.

23438306 is a deficient number, since it is larger than the sum of its proper divisors (12787702).

23438306 is a wasteful number, since it uses less digits than its factorization.

23438306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 23438306 is about 4841.3124253657. The cubic root of 23438306 is about 286.1818410974.

The spelling of 23438306 in words is "twenty-three million, four hundred thirty-eight thousand, three hundred six".