123000042021322 has 4 divisors (see below), whose sum is σ = 184500063031986. Its totient is φ = 61500021010660.

The previous prime is 123000042021271. The next prime is 123000042021343. The reversal of 123000042021322 is 223120240000321.

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

It can be written as a sum of positive squares in only one way, i.e., 80011969493481 + 42988072527841 = 8944941^2 + 6556529^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123000042021293 and 123000042021302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30750010505329 + ... + 30750010505332.

Almost surely, 2^{123000042021322} is an apocalyptic number.

123000042021322 is a deficient number, since it is larger than the sum of its proper divisors (61500021010664).

123000042021322 is an equidigital number, since it uses as much as digits as its factorization.

123000042021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61500021010663.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 123000042021322 its reverse (223120240000321), we get a palindrome (346120282021643).

The spelling of 123000042021322 in words is "one hundred twenty-three trillion, forty-two million, twenty-one thousand, three hundred twenty-two".