233428994364 has 12 divisors (see below), whose sum is σ = 544667653544. Its totient is φ = 77809664784.

The previous prime is 233428994339. The next prime is 233428994377. The reversal of 233428994364 is 463499824332.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9726208087 + ... + 9726208110.

Almost surely, 2^233428994364 is an apocalyptic number.

It is an amenable number.

233428994364 is an abundant number, since it is smaller than the sum of its proper divisors (311238659180).

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

233428994364 is a wasteful number, since it uses less digits than its factorization.

233428994364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19452416204 (or 19452416202 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 57.

The spelling of 233428994364 in words is "two hundred thirty-three billion, four hundred twenty-eight million, nine hundred ninety-four thousand, three hundred sixty-four".