123403514254342 has 16 divisors (see below), whose sum is σ = 213070815982080. Its totient is φ = 52506736793928.

The previous prime is 123403514254337. The next prime is 123403514254373. The reversal of 123403514254342 is 243452415304321.

123403514254342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31706964718 + ... + 31706968609.

It is an arithmetic number, because the mean of its divisors is an integer number (13316925998880).

Almost surely, 2^{123403514254342} is an apocalyptic number.

123403514254342 is a deficient number, since it is larger than the sum of its proper divisors (89667301727738).

123403514254342 is a wasteful number, since it uses less digits than its factorization.

123403514254342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63413933475.

The product of its (nonzero) digits is 1382400, while the sum is 43.

Adding to 123403514254342 its reverse (243452415304321), we get a palindrome (366855929558663).

The spelling of 123403514254342 in words is "one hundred twenty-three trillion, four hundred three billion, five hundred fourteen million, two hundred fifty-four thousand, three hundred forty-two".