342123898 has 4 divisors (see below), whose sum is σ = 513185850. Its totient is φ = 171061948.

The previous prime is 342123889. The next prime is 342123907. The reversal of 342123898 is 898321243.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (342123889) and next prime (342123907).

It can be written as a sum of positive squares in only one way, i.e., 340144249 + 1979649 = 18443^2 + 1407^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 342123898.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85530973 + ... + 85530976.

Almost surely, 2^342123898 is an apocalyptic number.

342123898 is a deficient number, since it is larger than the sum of its proper divisors (171061952).

342123898 is a wasteful number, since it uses less digits than its factorization.

342123898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171061951.

The product of its digits is 82944, while the sum is 40.

The square root of 342123898 is about 18496.5915238457. The cubic root of 342123898 is about 699.4035040930.

The spelling of 342123898 in words is "three hundred forty-two million, one hundred twenty-three thousand, eight hundred ninety-eight".