234312605 has 8 divisors (see below), whose sum is σ = 290871000. Its totient is φ = 180986176.

The previous prime is 234312593. The next prime is 234312623. The reversal of 234312605 is 506213432.

It can be written as a sum of positive squares in 4 ways, for example, as 12243001 + 222069604 = 3499^2 + 14902^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234312605 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 807830 + ... + 808119.

It is an arithmetic number, because the mean of its divisors is an integer number (36358875).

Almost surely, 2^234312605 is an apocalyptic number.

It is an amenable number.

234312605 is a deficient number, since it is larger than the sum of its proper divisors (56558395).

234312605 is a wasteful number, since it uses less digits than its factorization.

234312605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615983.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 234312605 is about 15307.2729445842. The cubic root of 234312605 is about 616.4983010859.

The spelling of 234312605 in words is "two hundred thirty-four million, three hundred twelve thousand, six hundred five".