123020342403254 has 8 divisors (see below), whose sum is σ = 190893634763760. Its totient is φ = 59389130815336.

The previous prime is 123020342403241. The next prime is 123020342403337. The reversal of 123020342403254 is 452304243020321.

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

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, 1060520193074 + ... + 1060520193189.

It is an arithmetic number, because the mean of its divisors is an integer number (23861704345470).

Almost surely, 2^{123020342403254} is an apocalyptic number.

123020342403254 is a deficient number, since it is larger than the sum of its proper divisors (67873292360506).

123020342403254 is a wasteful number, since it uses less digits than its factorization.

123020342403254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121040386294.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 123020342403254 its reverse (452304243020321), we get a palindrome (575324585423575).

The spelling of 123020342403254 in words is "one hundred twenty-three trillion, twenty billion, three hundred forty-two million, four hundred three thousand, two hundred fifty-four".