340231523 has 8 divisors (see below), whose sum is σ = 368623728. Its totient is φ = 312770304.

The previous prime is 340231513. The next prime is 340231579. The reversal of 340231523 is 325132043.

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

It is not a de Polignac number, because 340231523 - 2⁸ = 340231267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340231513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231986 + ... + 233447.

It is an arithmetic number, because the mean of its divisors is an integer number (46077966).

Almost surely, 2^340231523 is an apocalyptic number.

340231523 is a deficient number, since it is larger than the sum of its proper divisors (28392205).

340231523 is a wasteful number, since it uses less digits than its factorization.

340231523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465493.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 340231523 is about 18445.3658949884. The cubic root of 340231523 is about 698.1115924898. Note that the first 3 decimals are identical.

Adding to 340231523 its reverse (325132043), we get a palindrome (665363566).

The spelling of 340231523 in words is "three hundred forty million, two hundred thirty-one thousand, five hundred twenty-three".