123046542 has 24 divisors (see below), whose sum is σ = 266961240. Its totient is φ = 40960080.

The previous prime is 123046523. The next prime is 123046589. The reversal of 123046542 is 245640321.

123046542 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 4 + 654 + 2 = 666.

It is a congruent number.

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, 10384 + ... + 18812.

It is an arithmetic number, because the mean of its divisors is an integer number (11123385).

Almost surely, 2^123046542 is an apocalyptic number.

123046542 is an abundant number, since it is smaller than the sum of its proper divisors (143914698).

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

123046542 is a wasteful number, since it uses less digits than its factorization.

123046542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9248 (or 9245 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 123046542 is about 11092.6345833621. The cubic root of 123046542 is about 497.3817023006.

Adding to 123046542 its reverse (245640321), we get a palindrome (368686863).

The spelling of 123046542 in words is "one hundred twenty-three million, forty-six thousand, five hundred forty-two".