73047123 has 16 divisors (see below), whose sum is σ = 108349600. Its totient is φ = 48638880.

The previous prime is 73047119. The next prime is 73047127. The reversal of 73047123 is 32174037.

It is an interprime number because it is at equal distance from previous prime (73047119) and next prime (73047127).

It is not a de Polignac number, because 73047123 - 2² = 73047119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73047127) 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 15 ways as a sum of consecutive naturals, for example, 42933 + ... + 44601.

It is an arithmetic number, because the mean of its divisors is an integer number (6771850).

Almost surely, 2^73047123 is an apocalyptic number.

73047123 is a deficient number, since it is larger than the sum of its proper divisors (35302477).

73047123 is a wasteful number, since it uses less digits than its factorization.

73047123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3299 (or 3293 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 73047123 is about 8546.7609654184. The cubic root of 73047123 is about 418.0238286058.

The spelling of 73047123 in words is "seventy-three million, forty-seven thousand, one hundred twenty-three".