233640001 has 4 divisors (see below), whose sum is σ = 267017152. Its totient is φ = 200262852.

The previous prime is 233639983. The next prime is 233640019. The reversal of 233640001 is 100046332.

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 an interprime number because it is at equal distance from previous prime (233639983) and next prime (233640019).

It is a cyclic number.

It is not a de Polignac number, because 233640001 - 2⁹ = 233639489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233640031) 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, 16688565 + ... + 16688578.

It is an arithmetic number, because the mean of its divisors is an integer number (66754288).

Almost surely, 2^233640001 is an apocalyptic number.

It is an amenable number.

233640001 is a deficient number, since it is larger than the sum of its proper divisors (33377151).

233640001 is an equidigital number, since it uses as much as digits as its factorization.

233640001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33377150.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 233640001 is about 15285.2870761396. The cubic root of 233640001 is about 615.9078411421.

Adding to 233640001 its reverse (100046332), we get a palindrome (333686333).

The spelling of 233640001 in words is "two hundred thirty-three million, six hundred forty thousand, one".