23427993 has 8 divisors (see below), whose sum is σ = 32081728. Its totient is φ = 15196464.

The previous prime is 23427983. The next prime is 23427997. The reversal of 23427993 is 39972432.

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

It is not a de Polignac number, because 23427993 - 2¹³ = 23419801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23427997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105421 + ... + 105642.

It is an arithmetic number, because the mean of its divisors is an integer number (4010216).

Almost surely, 2^23427993 is an apocalyptic number.

It is an amenable number.

23427993 is a deficient number, since it is larger than the sum of its proper divisors (8653735).

23427993 is a wasteful number, since it uses less digits than its factorization.

23427993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211103.

The product of its digits is 81648, while the sum is 39.

The square root of 23427993 is about 4840.2472044308. The cubic root of 23427993 is about 286.1398610113.

The spelling of 23427993 in words is "twenty-three million, four hundred twenty-seven thousand, nine hundred ninety-three".