123103142 has 8 divisors (see below), whose sum is σ = 185788056. Its totient is φ = 61173792.

The previous prime is 123103111. The next prime is 123103151. The reversal of 123103142 is 241301321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 123103142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188483 + ... + 189134.

It is an arithmetic number, because the mean of its divisors is an integer number (23223507).

Almost surely, 2^123103142 is an apocalyptic number.

123103142 is a deficient number, since it is larger than the sum of its proper divisors (62684914).

123103142 is a wasteful number, since it uses less digits than its factorization.

123103142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377782.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 123103142 is about 11095.1855324731. The cubic root of 123103142 is about 497.4579539056.

Adding to 123103142 its reverse (241301321), we get a palindrome (364404463).

The spelling of 123103142 in words is "one hundred twenty-three million, one hundred three thousand, one hundred forty-two".