233773813 has 24 divisors (see below), whose sum is σ = 293373888. Its totient is φ = 182362752.

The previous prime is 233773763. The next prime is 233773889. The reversal of 233773813 is 318377332.

It is a happy number.

It is not a de Polignac number, because 233773813 - 2¹⁷ = 233642741 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233773013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85006 + ... + 87712.

It is an arithmetic number, because the mean of its divisors is an integer number (12223912).

Almost surely, 2^233773813 is an apocalyptic number.

It is an amenable number.

233773813 is a deficient number, since it is larger than the sum of its proper divisors (59600075).

233773813 is a wasteful number, since it uses less digits than its factorization.

233773813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813 (or 2800 counting only the distinct ones).

The product of its digits is 63504, while the sum is 37.

The square root of 233773813 is about 15289.6635999619. The cubic root of 233773813 is about 616.0254011072.

The spelling of 233773813 in words is "two hundred thirty-three million, seven hundred seventy-three thousand, eight hundred thirteen".