12140623 has 8 divisors (see below), whose sum is σ = 13671936. Its totient is φ = 10680600.

The previous prime is 12140593. The next prime is 12140627. The reversal of 12140623 is 32604121.

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 12140623 - 2⁹ = 12140111 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 12140623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140627) 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, 17461 + ... + 18142.

It is an arithmetic number, because the mean of its divisors is an integer number (1708992).

Almost surely, 2^12140623 is an apocalyptic number.

12140623 is a deficient number, since it is larger than the sum of its proper divisors (1531313).

12140623 is a wasteful number, since it uses less digits than its factorization.

12140623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35645.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12140623 is about 3484.3396791932. The cubic root of 12140623 is about 229.8336730686.

Adding to 12140623 its reverse (32604121), we get a palindrome (44744744).

The spelling of 12140623 in words is "twelve million, one hundred forty thousand, six hundred twenty-three".