23400146 has 40 divisors (see below), whose sum is σ = 44771184. Its totient is φ = 9096360.

The previous prime is 23400103. The next prime is 23400161. The reversal of 23400146 is 64100432.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52601 + ... + 53043.

Almost surely, 2^23400146 is an apocalyptic number.

23400146 is a deficient number, since it is larger than the sum of its proper divisors (21371038).

23400146 is an equidigital number, since it uses as much as digits as its factorization.

23400146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 23400146 is about 4837.3697398483. The cubic root of 23400146 is about 286.0264454657.

Adding to 23400146 its reverse (64100432), we get a palindrome (87500578).

The spelling of 23400146 in words is "twenty-three million, four hundred thousand, one hundred forty-six".