342123030 has 24 divisors (see below), whose sum is σ = 889520112. Its totient is φ = 91232784.

The previous prime is 342123017. The next prime is 342123071. The reversal of 342123030 is 30321243.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 342122994 and 342123012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1900594 + ... + 1900773.

It is an arithmetic number, because the mean of its divisors is an integer number (37063338).

Almost surely, 2^342123030 is an apocalyptic number.

342123030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

342123030 is an abundant number, since it is smaller than the sum of its proper divisors (547397082).

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

342123030 is a wasteful number, since it uses less digits than its factorization.

342123030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801380 (or 3801377 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 342123030 is about 18496.5680600483. The cubic root of 342123030 is about 699.4029126087.

Adding to 342123030 its reverse (30321243), we get a palindrome (372444273).

The spelling of 342123030 in words is "three hundred forty-two million, one hundred twenty-three thousand, thirty".