233640023 has 8 divisors (see below), whose sum is σ = 234831600. Its totient is φ = 232452288.

The previous prime is 233640019. The next prime is 233640031. The reversal of 233640023 is 320046332.

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

It is a cyclic number.

It is not a de Polignac number, because 233640023 - 2² = 233640019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233640053) 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, 301865 + ... + 302637.

It is an arithmetic number, because the mean of its divisors is an integer number (29353950).

Almost surely, 2^233640023 is an apocalyptic number.

233640023 is a deficient number, since it is larger than the sum of its proper divisors (1191577).

233640023 is an equidigital number, since it uses as much as digits as its factorization.

233640023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 233640023 is about 15285.2877957859. The cubic root of 233640023 is about 615.9078604738.

Adding to 233640023 its reverse (320046332), we get a palindrome (553686355).

The spelling of 233640023 in words is "two hundred thirty-three million, six hundred forty thousand, twenty-three".