74123423 has 16 divisors (see below), whose sum is σ = 82489344. Its totient is φ = 66044160.

The previous prime is 74123419. The next prime is 74123431. The reversal of 74123423 is 32432147.

It is a cyclic number.

It is not a de Polignac number, because 74123423 - 2² = 74123419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74123392 and 74123401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74123323) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 135236 + ... + 135782.

It is an arithmetic number, because the mean of its divisors is an integer number (5155584).

Almost surely, 2^74123423 is an apocalyptic number.

74123423 is a deficient number, since it is larger than the sum of its proper divisors (8365921).

74123423 is a wasteful number, since it uses less digits than its factorization.

74123423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782.

The product of its digits is 4032, while the sum is 26.

The square root of 74123423 is about 8609.4960944297. The cubic root of 74123423 is about 420.0669262207.

The spelling of 74123423 in words is "seventy-four million, one hundred twenty-three thousand, four hundred twenty-three".