123147342 has 24 divisors (see below), whose sum is σ = 269820720. Its totient is φ = 40587360.

The previous prime is 123147329. The next prime is 123147373. The reversal of 123147342 is 243741321.

It is a happy number.

123147342 is a `hidden beast` number, since 1 + 2 + 314 + 7 + 342 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36834 + ... + 40037.

It is an arithmetic number, because the mean of its divisors is an integer number (11242530).

Almost surely, 2^123147342 is an apocalyptic number.

123147342 is an abundant number, since it is smaller than the sum of its proper divisors (146673378).

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

123147342 is a wasteful number, since it uses less digits than its factorization.

123147342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76968 (or 76965 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 123147342 is about 11097.1772086418. The cubic root of 123147342 is about 497.5174839608.

Adding to 123147342 its reverse (243741321), we get a palindrome (366888663).

The spelling of 123147342 in words is "one hundred twenty-three million, one hundred forty-seven thousand, three hundred forty-two".