342423426 has 16 divisors (see below), whose sum is σ = 687715200. Its totient is φ = 113663088.

The previous prime is 342423409. The next prime is 342423443. The reversal of 342423426 is 624324243.

It is an interprime number because it is at equal distance from previous prime (342423409) and next prime (342423443).

It is a junction number, because it is equal to n+sod(n) for n = 342423393 and 342423402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117961 + ... + 120828.

It is an arithmetic number, because the mean of its divisors is an integer number (42982200).

Almost surely, 2^342423426 is an apocalyptic number.

342423426 is an abundant number, since it is smaller than the sum of its proper divisors (345291774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342423426 is a wasteful number, since it uses less digits than its factorization.

342423426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239033.

The product of its digits is 27648, while the sum is 30.

The square root of 342423426 is about 18504.6865955628. The cubic root of 342423426 is about 699.6075528091.

Adding to 342423426 its reverse (624324243), we get a palindrome (966747669).

The spelling of 342423426 in words is "three hundred forty-two million, four hundred twenty-three thousand, four hundred twenty-six".