234831493 has 4 divisors (see below), whose sum is σ = 252895468. Its totient is φ = 216767520.

The previous prime is 234831491. The next prime is 234831497. The reversal of 234831493 is 394138432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51581124 + 183250369 = 7182^2 + 13537^2 .

It is a cyclic number.

It is not a de Polignac number, because 234831493 - 2¹ = 234831491 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 (234831491) 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 3 ways as a sum of consecutive naturals, for example, 9031968 + ... + 9031993.

It is an arithmetic number, because the mean of its divisors is an integer number (63223867).

Almost surely, 2^234831493 is an apocalyptic number.

It is an amenable number.

234831493 is a deficient number, since it is larger than the sum of its proper divisors (18063975).

234831493 is a wasteful number, since it uses less digits than its factorization.

234831493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18063974.

The product of its digits is 62208, while the sum is 37.

The square root of 234831493 is about 15324.2126388275. The cubic root of 234831493 is about 616.9530464669.

It can be divided in two parts, 23483 and 1493, that added together give a triangular number (24976 = T₂₂₃).

The spelling of 234831493 in words is "two hundred thirty-four million, eight hundred thirty-one thousand, four hundred ninety-three".