123354546642 has 24 divisors (see below), whose sum is σ = 274491650316. Its totient is φ = 40006879776.

The previous prime is 123354546607. The next prime is 123354546671. The reversal of 123354546642 is 246645453321.

123354546642 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 545 + 4 + 66 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 122102023761 + 1252522881 = 349431^2 + 35391^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92607853 + ... + 92609184.

Almost surely, 2^123354546642 is an apocalyptic number.

123354546642 is an abundant number, since it is smaller than the sum of its proper divisors (151137103674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123354546642 is a wasteful number, since it uses less digits than its factorization.

123354546642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185217082 (or 185217079 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

Adding to 123354546642 its reverse (246645453321), we get a palindrome (369999999963).

The spelling of 123354546642 in words is "one hundred twenty-three billion, three hundred fifty-four million, five hundred forty-six thousand, six hundred forty-two".