1350723 has 18 divisors (see below), whose sum is σ = 2012556. Its totient is φ = 805200.

The previous prime is 1350709. The next prime is 1350731. The reversal of 1350723 is 3270531.

It is a happy number.

It is not a de Polignac number, because 1350723 - 2⁸ = 1350467 is a prime.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1350723.

It is not an unprimeable number, because it can be changed into a prime (1350703) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22113 + ... + 22173.

2^1350723 is an apocalyptic number.

1350723 is a deficient number, since it is larger than the sum of its proper divisors (661833).

1350723 is an equidigital number, since it uses as much as digits as its factorization.

1350723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 1350723 is about 1162.2060918787. The cubic root of 1350723 is about 110.5406714734.

It can be divided in two parts, 13507 and 23, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 1350723 in words is "one million, three hundred fifty thousand, seven hundred twenty-three".