73123503000 has 64 divisors (see below), whose sum is σ = 228145338720. Its totient is φ = 19499600000.

The previous prime is 73123502953. The next prime is 73123503001. The reversal of 73123503000 is 30532137.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73123503001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12184251 + ... + 12190250.

Almost surely, 2^73123503000 is an apocalyptic number.

It is an amenable number.

73123503000 is an abundant number, since it is smaller than the sum of its proper divisors (155021835720).

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

73123503000 is a wasteful number, since it uses less digits than its factorization.

73123503000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24374525 (or 24374511 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 24.

The spelling of 73123503000 in words is "seventy-three billion, one hundred twenty-three million, five hundred three thousand".