23091646 has 8 divisors (see below), whose sum is σ = 34662744. Its totient is φ = 11537400.

The previous prime is 23091643. The next prime is 23091647. The reversal of 23091646 is 64619032.

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

It is a super-2 number, since 2×23091646² = 1066448229978632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23091643) by changing a digit.

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, 96 + ... + 6796.

It is an arithmetic number, because the mean of its divisors is an integer number (4332843).

Almost surely, 2^23091646 is an apocalyptic number.

23091646 is a deficient number, since it is larger than the sum of its proper divisors (11571098).

23091646 is a wasteful number, since it uses less digits than its factorization.

23091646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8426.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 23091646 is about 4805.3767802327. The cubic root of 23091646 is about 284.7639206363.

The spelling of 23091646 in words is "twenty-three million, ninety-one thousand, six hundred forty-six".