233123412 has 12 divisors (see below), whose sum is σ = 543954656. Its totient is φ = 77707800.

The previous prime is 233123411. The next prime is 233123437. The reversal of 233123412 is 214321332.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233123411) 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, 9713464 + ... + 9713487.

Almost surely, 2^233123412 is an apocalyptic number.

It is an amenable number.

233123412 is an abundant number, since it is smaller than the sum of its proper divisors (310831244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233123412 is a wasteful number, since it uses less digits than its factorization.

233123412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19426958 (or 19426956 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 233123412 is about 15268.3794817918. The cubic root of 233123412 is about 615.4535724666.

Adding to 233123412 its reverse (214321332), we get a palindrome (447444744).

The spelling of 233123412 in words is "two hundred thirty-three million, one hundred twenty-three thousand, four hundred twelve".