233399391327 has 20 divisors (see below), whose sum is σ = 348903538720. Its totient is φ = 155490248052.

The previous prime is 233399391311. The next prime is 233399391343. The reversal of 233399391327 is 723193993332.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

233399391327 is a `hidden beast` number, since 233 + 399 + 3 + 9 + 13 + 2 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (233399391311) and next prime (233399391343).

It is an ABA number since it can be written as A⋅B^A, here for A=3, B=4269.

It is not a de Polignac number, because 233399391327 - 2⁴ = 233399391311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233399391527) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 164018538 + ... + 164019960.

It is an arithmetic number, because the mean of its divisors is an integer number (17445176936).

Almost surely, 2^233399391327 is an apocalyptic number.

233399391327 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

233399391327 is a deficient number, since it is larger than the sum of its proper divisors (115504147393).

233399391327 is an frugal number, since it uses more digits than its factorization.

233399391327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281 (or 1426 counting only the distinct ones).

The product of its digits is 4960116, while the sum is 54.

The spelling of 233399391327 in words is "two hundred thirty-three billion, three hundred ninety-nine million, three hundred ninety-one thousand, three hundred twenty-seven".