233879493387 has 4 divisors (see below), whose sum is σ = 311839324520. Its totient is φ = 155919662256.

The previous prime is 233879493383. The next prime is 233879493391. The reversal of 233879493387 is 783394978332.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (233879493383) and next prime (233879493391).

It is not a de Polignac number, because 233879493387 - 2² = 233879493383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233879493383) 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, 38979915562 + ... + 38979915567.

It is an arithmetic number, because the mean of its divisors is an integer number (77959831130).

Almost surely, 2^233879493387 is an apocalyptic number.

233879493387 is a deficient number, since it is larger than the sum of its proper divisors (77959831133).

233879493387 is an equidigital number, since it uses as much as digits as its factorization.

233879493387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77959831132.

The product of its digits is 164602368, while the sum is 66.

The spelling of 233879493387 in words is "two hundred thirty-three billion, eight hundred seventy-nine million, four hundred ninety-three thousand, three hundred eighty-seven".