233136423 has 24 divisors (see below), whose sum is σ = 375167520. Its totient is φ = 138519360.

The previous prime is 233136413. The next prime is 233136433. The reversal of 233136423 is 324631332.

It is a happy number.

233136423 is a `hidden beast` number, since 2 + 3 + 3 + 13 + 642 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (233136413) and next prime (233136433).

It is not a de Polignac number, because 233136423 - 2⁵ = 233136391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233136413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30963 + ... + 37748.

It is an arithmetic number, because the mean of its divisors is an integer number (15631980).

Almost surely, 2^233136423 is an apocalyptic number.

233136423 is a deficient number, since it is larger than the sum of its proper divisors (142031097).

233136423 is a wasteful number, since it uses less digits than its factorization.

233136423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68759 (or 68756 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 233136423 is about 15268.8055524982. The cubic root of 233136423 is about 615.4650220781.

Adding to 233136423 its reverse (324631332), we get a palindrome (557767755).

The spelling of 233136423 in words is "two hundred thirty-three million, one hundred thirty-six thousand, four hundred twenty-three".