73016123 has 4 divisors (see below), whose sum is σ = 73086648. Its totient is φ = 72945600.

The previous prime is 73016117. The next prime is 73016137. The reversal of 73016123 is 32161037.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32161037 = 151 ⋅212987.

It is a cyclic number.

It is not a de Polignac number, because 73016123 - 2¹⁰ = 73015099 is a prime.

It is a super-2 number, since 2×73016123² = 10662708435902258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73016323) 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 3 ways as a sum of consecutive naturals, for example, 33686 + ... + 35787.

It is an arithmetic number, because the mean of its divisors is an integer number (18271662).

Almost surely, 2^73016123 is an apocalyptic number.

73016123 is a deficient number, since it is larger than the sum of its proper divisors (70525).

73016123 is a wasteful number, since it uses less digits than its factorization.

73016123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70524.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 73016123 is about 8544.9472204338. The cubic root of 73016123 is about 417.9646860882.

The spelling of 73016123 in words is "seventy-three million, sixteen thousand, one hundred twenty-three".