123543321674 has 16 divisors (see below), whose sum is σ = 186033300360. Its totient is φ = 61532490240.

The previous prime is 123543321667. The next prime is 123543321679. The reversal of 123543321674 is 476123345321.

123543321674 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 67306519225 + 56236802449 = 259435^2 + 237143^2 .

It is not an unprimeable number, because it can be changed into a prime (123543321679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865844 + ... + 998384.

Almost surely, 2^123543321674 is an apocalyptic number.

123543321674 is a deficient number, since it is larger than the sum of its proper divisors (62489978686).

123543321674 is a wasteful number, since it uses less digits than its factorization.

123543321674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134345.

The product of its digits is 362880, while the sum is 41.

Adding to 123543321674 its reverse (476123345321), we get a palindrome (599666666995).

The spelling of 123543321674 in words is "one hundred twenty-three billion, five hundred forty-three million, three hundred twenty-one thousand, six hundred seventy-four".