73123055023 has 2 divisors, whose sum is σ = 73123055024. Its totient is φ = 73123055022.

The previous prime is 73123054981. The next prime is 73123055041. The reversal of 73123055023 is 32055032137.

It is a strong prime.

It is an emirp because it is prime and its reverse (32055032137) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73123055023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73123055063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36561527511 + 36561527512.

It is an arithmetic number, because the mean of its divisors is an integer number (36561527512).

Almost surely, 2^73123055023 is an apocalyptic number.

73123055023 is a deficient number, since it is larger than the sum of its proper divisors (1).

73123055023 is an equidigital number, since it uses as much as digits as its factorization.

73123055023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 31.

The spelling of 73123055023 in words is "seventy-three billion, one hundred twenty-three million, fifty-five thousand, twenty-three".