340453323 has 18 divisors (see below), whose sum is σ = 572054964. Its totient is φ = 194544504.

The previous prime is 340453279. The next prime is 340453327. The reversal of 340453323 is 323354043.

It is a happy number.

It is not a de Polignac number, because 340453323 - 2⁶ = 340453259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340453327) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 385561 + ... + 386442.

Almost surely, 2^340453323 is an apocalyptic number.

340453323 is a deficient number, since it is larger than the sum of its proper divisors (231601641).

340453323 is a wasteful number, since it uses less digits than its factorization.

340453323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772023 (or 772013 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 27.

The square root of 340453323 is about 18451.3772656677. The cubic root of 340453323 is about 698.2632612854.

The spelling of 340453323 in words is "three hundred forty million, four hundred fifty-three thousand, three hundred twenty-three".