123122201542034 has 4 divisors (see below), whose sum is σ = 184683302313054. Its totient is φ = 61561100771016.

The previous prime is 123122201542013. The next prime is 123122201542037. The reversal of 123122201542034 is 430245102221321.

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., 111765133041409 + 11357068500625 = 10571903^2 + 3370025^2 .

It is not an unprimeable number, because it can be changed into a prime (123122201542037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30780550385507 + ... + 30780550385510.

Almost surely, 2^{123122201542034} is an apocalyptic number.

123122201542034 is a deficient number, since it is larger than the sum of its proper divisors (61561100771020).

123122201542034 is an equidigital number, since it uses as much as digits as its factorization.

123122201542034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61561100771019.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 123122201542034 its reverse (430245102221321), we get a palindrome (553367303763355).

The spelling of 123122201542034 in words is "one hundred twenty-three trillion, one hundred twenty-two billion, two hundred one million, five hundred forty-two thousand, thirty-four".