123173472774 has 32 divisors (see below), whose sum is σ = 268867952640. Its totient is φ = 37307818400.

The previous prime is 123173472713. The next prime is 123173472787. The reversal of 123173472774 is 477274371321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294534 + ... + 577145.

It is an arithmetic number, because the mean of its divisors is an integer number (8402123520).

Almost surely, 2^123173472774 is an apocalyptic number.

123173472774 is an abundant number, since it is smaller than the sum of its proper divisors (145694479866).

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

123173472774 is a wasteful number, since it uses less digits than its factorization.

123173472774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873836.

The product of its digits is 1382976, while the sum is 48.

The spelling of 123173472774 in words is "one hundred twenty-three billion, one hundred seventy-three million, four hundred seventy-two thousand, seven hundred seventy-four".