23105998 has 8 divisors (see below), whose sum is σ = 34679592. Its totient is φ = 11546136.

The previous prime is 23105983. The next prime is 23106029. The reversal of 23105998 is 89950132.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3961 + ... + 7867.

It is an arithmetic number, because the mean of its divisors is an integer number (4334949).

Almost surely, 2^23105998 is an apocalyptic number.

23105998 is a deficient number, since it is larger than the sum of its proper divisors (11573594).

23105998 is a wasteful number, since it uses less digits than its factorization.

23105998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6866.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 23105998 is about 4806.8698755011. The cubic root of 23105998 is about 284.8229042383.

The spelling of 23105998 in words is "twenty-three million, one hundred five thousand, nine hundred ninety-eight".