342689523 has 64 divisors (see below), whose sum is σ = 535818240. Its totient is φ = 192931200.

The previous prime is 342689513. The next prime is 342689539. The reversal of 342689523 is 325986243.

It is not a de Polignac number, because 342689523 - 2⁴ = 342689507 is a prime.

It is a super-2 number, since 2×342689523² = 234872218347935058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (342689513) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4826578 + ... + 4826648.

It is an arithmetic number, because the mean of its divisors is an integer number (8372160).

Almost surely, 2^342689523 is an apocalyptic number.

342689523 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

342689523 is a deficient number, since it is larger than the sum of its proper divisors (193128717).

342689523 is a wasteful number, since it uses less digits than its factorization.

342689523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248.

The product of its digits is 311040, while the sum is 42.

The square root of 342689523 is about 18511.8751886458. The cubic root of 342689523 is about 699.7887273970.

The spelling of 342689523 in words is "three hundred forty-two million, six hundred eighty-nine thousand, five hundred twenty-three".