123476542 has 16 divisors (see below), whose sum is σ = 224125920. Its totient is φ = 49805568.

The previous prime is 123476537. The next prime is 123476599. The reversal of 123476542 is 245674321.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 123476498 and 123476507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259167 + ... + 259642.

It is an arithmetic number, because the mean of its divisors is an integer number (14007870).

Almost surely, 2^123476542 is an apocalyptic number.

123476542 is a deficient number, since it is larger than the sum of its proper divisors (100649378).

123476542 is a wasteful number, since it uses less digits than its factorization.

123476542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518835.

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

The square root of 123476542 is about 11111.9999100072. Note that the first 4 decimals coincide. The cubic root of 123476542 is about 497.9604141585.

The spelling of 123476542 in words is "one hundred twenty-three million, four hundred seventy-six thousand, five hundred forty-two".