23287746 has 8 divisors (see below), whose sum is σ = 46575504. Its totient is φ = 7762580.

The previous prime is 23287729. The next prime is 23287751. The reversal of 23287746 is 64778232.

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

23287746 is an admirable number.

It is a super-2 number, since 2×23287746² = 1084638227521032, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1940640 + ... + 1940651.

It is an arithmetic number, because the mean of its divisors is an integer number (5821938).

Almost surely, 2^23287746 is an apocalyptic number.

23287746 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.

23287746 is a wasteful number, since it uses less digits than its factorization.

23287746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881296.

The product of its digits is 112896, while the sum is 39.

The square root of 23287746 is about 4825.7378710411. The cubic root of 23287746 is about 285.5677448292.

It can be divided in two parts, 2328774 and 6, that multiplied together give a square (13972644 = 3738²).

The spelling of 23287746 in words is "twenty-three million, two hundred eighty-seven thousand, seven hundred forty-six".