343672523 has 4 divisors (see below), whose sum is σ = 345979200. Its totient is φ = 341365848.

The previous prime is 343672501. The next prime is 343672543. The reversal of 343672523 is 325276343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325276343 = 7 ⋅46468049.

It is a cyclic number.

It is not a de Polignac number, because 343672523 - 2²⁴ = 326895307 is a prime.

It is a super-2 number, since 2×343672523² = 236221606130371058, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343672543) 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, 1153115 + ... + 1153412.

It is an arithmetic number, because the mean of its divisors is an integer number (86494800).

Almost surely, 2^343672523 is an apocalyptic number.

343672523 is a deficient number, since it is larger than the sum of its proper divisors (2306677).

343672523 is a wasteful number, since it uses less digits than its factorization.

343672523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306676.

The product of its digits is 90720, while the sum is 35.

The square root of 343672523 is about 18538.4067006849. The cubic root of 343672523 is about 700.4571999576.

The spelling of 343672523 in words is "three hundred forty-three million, six hundred seventy-two thousand, five hundred twenty-three".