123153474 has 16 divisors (see below), whose sum is σ = 260795808. Its totient is φ = 38636352.

The previous prime is 123153461. The next prime is 123153521. The reversal of 123153474 is 474351321.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603592 + ... + 603795.

It is an arithmetic number, because the mean of its divisors is an integer number (16299738).

Almost surely, 2^123153474 is an apocalyptic number.

123153474 is an abundant number, since it is smaller than the sum of its proper divisors (137642334).

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

123153474 is a wasteful number, since it uses less digits than its factorization.

123153474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207409.

The product of its digits is 10080, while the sum is 30.

The square root of 123153474 is about 11097.4534916800. The cubic root of 123153474 is about 497.5257416207.

The spelling of 123153474 in words is "one hundred twenty-three million, one hundred fifty-three thousand, four hundred seventy-four".