73000123 has 8 divisors (see below), whose sum is σ = 83853792. Its totient is φ = 62252736.

The previous prime is 73000099. The next prime is 73000153. The reversal of 73000123 is 32100037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73000123 - 2¹⁷ = 72869051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73000097 and 73000106.

It is not an unprimeable number, because it can be changed into a prime (73000153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25090 + ... + 27847.

It is an arithmetic number, because the mean of its divisors is an integer number (10481724).

Almost surely, 2^73000123 is an apocalyptic number.

73000123 is a deficient number, since it is larger than the sum of its proper divisors (10853669).

73000123 is a wasteful number, since it uses less digits than its factorization.

73000123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53141.

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

The square root of 73000123 is about 8544.0109433451. The cubic root of 73000123 is about 417.9341543680.

The spelling of 73000123 in words is "seventy-three million, one hundred twenty-three", and thus it is an aban number.