123674542 has 16 divisors (see below), whose sum is σ = 193871232. Its totient is φ = 59059000.

The previous prime is 123674539. The next prime is 123674543. The reversal of 123674542 is 245476321.

It is a junction number, because it is equal to n+sod(n) for n = 123674498 and 123674507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123674543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36417 + ... + 39667.

It is an arithmetic number, because the mean of its divisors is an integer number (12116952).

Almost surely, 2^123674542 is an apocalyptic number.

123674542 is a deficient number, since it is larger than the sum of its proper divisors (70196690).

123674542 is a wasteful number, since it uses less digits than its factorization.

123674542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103.

The product of its digits is 40320, while the sum is 34.

The square root of 123674542 is about 11120.9056285898. The cubic root of 123674542 is about 498.2264390683.

The spelling of 123674542 in words is "one hundred twenty-three million, six hundred seventy-four thousand, five hundred forty-two".