23968390 has 8 divisors (see below), whose sum is σ = 43143120. Its totient is φ = 9587352.

The previous prime is 23968387. The next prime is 23968391. The reversal of 23968390 is 9386932.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23968391) 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, 1198410 + ... + 1198429.

It is an arithmetic number, because the mean of its divisors is an integer number (5392890).

Almost surely, 2^23968390 is an apocalyptic number.

23968390 is a deficient number, since it is larger than the sum of its proper divisors (19174730).

23968390 is a wasteful number, since it uses less digits than its factorization.

23968390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396846.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 23968390 is about 4895.7522404632. The cubic root of 23968390 is about 288.3232208986.

The spelling of 23968390 in words is "twenty-three million, nine hundred sixty-eight thousand, three hundred ninety".