23005438 has 12 divisors (see below), whose sum is σ = 34798680. Its totient is φ = 11406596.

The previous prime is 23005429. The next prime is 23005517. The reversal of 23005438 is 83450032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63903 + ... + 64261.

It is an arithmetic number, because the mean of its divisors is an integer number (2899890).

Almost surely, 2^23005438 is an apocalyptic number.

23005438 is a deficient number, since it is larger than the sum of its proper divisors (11793242).

23005438 is an equidigital number, since it uses as much as digits as its factorization.

23005438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 23005438 is about 4796.3984404968. The cubic root of 23005438 is about 284.4091091880.

The spelling of 23005438 in words is "twenty-three million, five thousand, four hundred thirty-eight".