74123543003 has 4 divisors (see below), whose sum is σ = 74124154368. Its totient is φ = 74122931640.

The previous prime is 74123542993. The next prime is 74123543027. The reversal of 74123543003 is 30034532147.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 74123543003 - 2³⁴ = 56943673819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74123543093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55643 + ... + 389028.

It is an arithmetic number, because the mean of its divisors is an integer number (18531038592).

Almost surely, 2^74123543003 is an apocalyptic number.

74123543003 is a deficient number, since it is larger than the sum of its proper divisors (611365).

74123543003 is a wasteful number, since it uses less digits than its factorization.

74123543003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611364.

The product of its (nonzero) digits is 30240, while the sum is 32.

The spelling of 74123543003 in words is "seventy-four billion, one hundred twenty-three million, five hundred forty-three thousand, three".