232423993 has 4 divisors (see below), whose sum is σ = 242529408. Its totient is φ = 222318580.

The previous prime is 232423823. The next prime is 232424029. The reversal of 232423993 is 399324232.

232423993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232423993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232423193) 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, 5052673 + ... + 5052718.

It is an arithmetic number, because the mean of its divisors is an integer number (60632352).

Almost surely, 2^232423993 is an apocalyptic number.

232423993 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

232423993 is a deficient number, since it is larger than the sum of its proper divisors (10105415).

232423993 is a wasteful number, since it uses less digits than its factorization.

232423993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105414.

The product of its digits is 69984, while the sum is 37.

The square root of 232423993 is about 15245.4581105325. The cubic root of 232423993 is about 614.8374594139.

The spelling of 232423993 in words is "two hundred thirty-two million, four hundred twenty-three thousand, nine hundred ninety-three".