12073123 has 4 divisors (see below), whose sum is σ = 12160120. Its totient is φ = 11986128.

The previous prime is 12073121. The next prime is 12073157. The reversal of 12073123 is 32137021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12073123 - 2¹ = 12073121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12073123.

It is not an unprimeable number, because it can be changed into a prime (12073121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43290 + ... + 43567.

It is an arithmetic number, because the mean of its divisors is an integer number (3040030).

Almost surely, 2^12073123 is an apocalyptic number.

12073123 is a deficient number, since it is larger than the sum of its proper divisors (86997).

12073123 is an equidigital number, since it uses as much as digits as its factorization.

12073123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86996.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 12073123 is about 3474.6399813506. The cubic root of 12073123 is about 229.4069345762.

The spelling of 12073123 in words is "twelve million, seventy-three thousand, one hundred twenty-three".