23905146 has 8 divisors (see below), whose sum is σ = 47810304. Its totient is φ = 7968380.

The previous prime is 23905139. The next prime is 23905157. The reversal of 23905146 is 64150932.

It is a sphenic number, since it is the product of 3 distinct primes.

23905146 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1992090 + ... + 1992101.

It is an arithmetic number, because the mean of its divisors is an integer number (5976288).

Almost surely, 2^23905146 is an apocalyptic number.

23905146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23905146 is a wasteful number, since it uses less digits than its factorization.

23905146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984196.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 23905146 is about 4889.2889053522. The cubic root of 23905146 is about 288.0694036052.

The spelling of 23905146 in words is "twenty-three million, nine hundred five thousand, one hundred forty-six".