12140723 has 8 divisors (see below), whose sum is σ = 13896192. Its totient is φ = 10390536.

The previous prime is 12140693. The next prime is 12140731. The reversal of 12140723 is 32704121.

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

It is a cyclic number.

It is not a de Polignac number, because 12140723 - 2¹⁴ = 12124339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12140695 and 12140704.

It is not an unprimeable number, because it can be changed into a prime (12140123) 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 7 ways as a sum of consecutive naturals, for example, 8486 + ... + 9812.

It is an arithmetic number, because the mean of its divisors is an integer number (1737024).

Almost surely, 2^12140723 is an apocalyptic number.

12140723 is a deficient number, since it is larger than the sum of its proper divisors (1755469).

12140723 is a wasteful number, since it uses less digits than its factorization.

12140723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12140723 is about 3484.3540290849. The cubic root of 12140723 is about 229.8343040990.

Adding to 12140723 its reverse (32704121), we get a palindrome (44844844).

The spelling of 12140723 in words is "twelve million, one hundred forty thousand, seven hundred twenty-three".