23923938 has 8 divisors (see below), whose sum is σ = 47847888. Its totient is φ = 7974644.

The previous prime is 23923937. The next prime is 23923957. The reversal of 23923938 is 83932932.

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

23923938 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 23923896 and 23923905.

It is not an unprimeable number, because it can be changed into a prime (23923931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1993656 + ... + 1993667.

It is an arithmetic number, because the mean of its divisors is an integer number (5980986).

Almost surely, 2^23923938 is an apocalyptic number.

23923938 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.

23923938 is a wasteful number, since it uses less digits than its factorization.

23923938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987328.

The product of its digits is 69984, while the sum is 39.

The square root of 23923938 is about 4891.2102796752. The cubic root of 23923938 is about 288.1448682820.

The spelling of 23923938 in words is "twenty-three million, nine hundred twenty-three thousand, nine hundred thirty-eight".