12031723 has 8 divisors (see below), whose sum is σ = 13578480. Its totient is φ = 10560480.

The previous prime is 12031711. The next prime is 12031727. The reversal of 12031723 is 32713021.

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 12031723 - 2⁹ = 12031211 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 12031723.

It is not an unprimeable number, because it can be changed into a prime (12031727) 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, 18540 + ... + 19177.

It is an arithmetic number, because the mean of its divisors is an integer number (1697310).

Almost surely, 2^12031723 is an apocalyptic number.

12031723 is a deficient number, since it is larger than the sum of its proper divisors (1546757).

12031723 is a wasteful number, since it uses less digits than its factorization.

12031723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37757.

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

The square root of 12031723 is about 3468.6774136550. The cubic root of 12031723 is about 229.1444141625.

Adding to 12031723 its reverse (32713021), we get a palindrome (44744744).

It can be divided in two parts, 1203 and 1723, that added together give a triangular number (2926 = T₇₆).

The spelling of 12031723 in words is "twelve million, thirty-one thousand, seven hundred twenty-three".