73000000001023 has 16 divisors (see below), whose sum is σ = 79254677970720. Its totient is φ = 66966350976000.

The previous prime is 73000000001017. The next prime is 73000000001059. The reversal of 73000000001023 is 32010000000037.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73000000001023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73000000000988 and 73000000001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73000000001083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49093608 + ... + 50558701.

It is an arithmetic number, because the mean of its divisors is an integer number (4953417373170).

Almost surely, 2^{73000000001023} is an apocalyptic number.

73000000001023 is a deficient number, since it is larger than the sum of its proper divisors (6254677969697).

73000000001023 is a wasteful number, since it uses less digits than its factorization.

73000000001023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99653418.

The product of its (nonzero) digits is 126, while the sum is 16.

The spelling of 73000000001023 in words is "seventy-three trillion, one thousand, twenty-three".