342124321 has 16 divisors (see below), whose sum is σ = 435254400. Its totient is φ = 266587440.

The previous prime is 342124319. The next prime is 342124361. The reversal of 342124321 is 123421243.

It is not a de Polignac number, because 342124321 - 2¹ = 342124319 is a prime.

It is a super-2 number, since 2×342124321² = 234098102039422082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 342124292 and 342124301.

It is not an unprimeable number, because it can be changed into a prime (342124301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41566 + ... + 49111.

It is an arithmetic number, because the mean of its divisors is an integer number (27203400).

Almost surely, 2^342124321 is an apocalyptic number.

It is an amenable number.

342124321 is a deficient number, since it is larger than the sum of its proper divisors (93130079).

342124321 is an equidigital number, since it uses as much as digits as its factorization.

342124321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90709 (or 90695 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 342124321 is about 18496.6029583813. The cubic root of 342124321 is about 699.4037923391.

Adding to 342124321 its reverse (123421243), we get a palindrome (465545564).

The spelling of 342124321 in words is "three hundred forty-two million, one hundred twenty-four thousand, three hundred twenty-one".