233023401 has 12 divisors (see below), whose sum is σ = 362481028. Its totient is φ = 143398944.

The previous prime is 233023379. The next prime is 233023409. The reversal of 233023401 is 104320332.

233023401 is a `hidden beast` number, since 23 + 302 + 340 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 130507776 + 102515625 = 11424^2 + 10125^2 .

It is not a de Polignac number, because 233023401 - 2⁶ = 233023337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (233023409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 995710 + ... + 995943.

Almost surely, 2^233023401 is an apocalyptic number.

It is an amenable number.

233023401 is a deficient number, since it is larger than the sum of its proper divisors (129457627).

233023401 is a wasteful number, since it uses less digits than its factorization.

233023401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991672 (or 1991669 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 233023401 is about 15265.1040284696. The cubic root of 233023401 is about 615.3655490876.

Adding to 233023401 its reverse (104320332), we get a palindrome (337343733).

The spelling of 233023401 in words is "two hundred thirty-three million, twenty-three thousand, four hundred one".