233660013 has 16 divisors (see below), whose sum is σ = 325779840. Its totient is φ = 148685504.

The previous prime is 233659999. The next prime is 233660017. The reversal of 233660013 is 310066332.

It is a cyclic number.

It is not a de Polignac number, because 233660013 - 2⁶ = 233659949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233660017) 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 15 ways as a sum of consecutive naturals, for example, 31795 + ... + 38447.

It is an arithmetic number, because the mean of its divisors is an integer number (20361240).

Almost surely, 2^233660013 is an apocalyptic number.

233660013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

233660013 is a deficient number, since it is larger than the sum of its proper divisors (92119827).

233660013 is a wasteful number, since it uses less digits than its factorization.

233660013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7188.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 233660013 is about 15285.9416785490. The cubic root of 233660013 is about 615.9254254538.

The spelling of 233660013 in words is "two hundred thirty-three million, six hundred sixty thousand, thirteen".