123531974 has 8 divisors (see below), whose sum is σ = 190306128. Its totient is φ = 60096600.

The previous prime is 123531959. The next prime is 123531983. The reversal of 123531974 is 479135321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834602 + ... + 834749.

It is an arithmetic number, because the mean of its divisors is an integer number (23788266).

Almost surely, 2^123531974 is an apocalyptic number.

123531974 is a deficient number, since it is larger than the sum of its proper divisors (66774154).

123531974 is a wasteful number, since it uses less digits than its factorization.

123531974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669390.

The product of its digits is 22680, while the sum is 35.

The square root of 123531974 is about 11114.4938706178. The cubic root of 123531974 is about 498.0349190312.

The spelling of 123531974 in words is "one hundred twenty-three million, five hundred thirty-one thousand, nine hundred seventy-four".