23858242 has 16 divisors (see below), whose sum is σ = 39200760. Its totient is φ = 10839808.

The previous prime is 23858239. The next prime is 23858299. The reversal of 23858242 is 24285832.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20693401 + 3164841 = 4549^2 + 1779^2 .

It is a super-2 number, since 2×23858242² = 1138431422661128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 23858198 and 23858207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11113 + ... + 13084.

Almost surely, 2^23858242 is an apocalyptic number.

23858242 is a deficient number, since it is larger than the sum of its proper divisors (15342518).

23858242 is a wasteful number, since it uses less digits than its factorization.

23858242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24245.

The product of its digits is 30720, while the sum is 34.

The square root of 23858242 is about 4884.4899426655. The cubic root of 23858242 is about 287.8808744082.

The spelling of 23858242 in words is "twenty-three million, eight hundred fifty-eight thousand, two hundred forty-two".