234721983 has 4 divisors (see below), whose sum is σ = 312962648. Its totient is φ = 156481320.

The previous prime is 234721957. The next prime is 234721999. The reversal of 234721983 is 389127432.

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

It is not a de Polignac number, because 234721983 - 2¹⁸ = 234459839 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 (234721913) 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, 39120328 + ... + 39120333.

It is an arithmetic number, because the mean of its divisors is an integer number (78240662).

Almost surely, 2^234721983 is an apocalyptic number.

234721983 is a deficient number, since it is larger than the sum of its proper divisors (78240665).

234721983 is an equidigital number, since it uses as much as digits as its factorization.

234721983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78240664.

The product of its digits is 72576, while the sum is 39.

The square root of 234721983 is about 15320.6391185224. The cubic root of 234721983 is about 616.8571294156.

The spelling of 234721983 in words is "two hundred thirty-four million, seven hundred twenty-one thousand, nine hundred eighty-three".