234921873 has 4 divisors (see below), whose sum is σ = 313229168. Its totient is φ = 156614580.

The previous prime is 234921851. The next prime is 234921877. The reversal of 234921873 is 378129432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 234921873 - 2⁶ = 234921809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234921877) 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, 39153643 + ... + 39153648.

It is an arithmetic number, because the mean of its divisors is an integer number (78307292).

Almost surely, 2^234921873 is an apocalyptic number.

It is an amenable number.

234921873 is a deficient number, since it is larger than the sum of its proper divisors (78307295).

234921873 is an equidigital number, since it uses as much as digits as its factorization.

234921873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78307294.

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

The square root of 234921873 is about 15327.1612831600. The cubic root of 234921873 is about 617.0321855745.

The spelling of 234921873 in words is "two hundred thirty-four million, nine hundred twenty-one thousand, eight hundred seventy-three".