23857450 has 12 divisors (see below), whose sum is σ = 44374950. Its totient is φ = 9542960.

The previous prime is 23857423. The next prime is 23857451. The reversal of 23857450 is 5475832.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10673289 + 13184161 = 3267^2 + 3631^2 .

It is not an unprimeable number, because it can be changed into a prime (23857451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 238525 + ... + 238624.

Almost surely, 2^23857450 is an apocalyptic number.

23857450 is a deficient number, since it is larger than the sum of its proper divisors (20517500).

23857450 is a wasteful number, since it uses less digits than its factorization.

23857450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477161 (or 477156 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 23857450 is about 4884.4088690444. The cubic root of 23857450 is about 287.8776888679.

The spelling of 23857450 in words is "twenty-three million, eight hundred fifty-seven thousand, four hundred fifty".