1047723 has 4 divisors (see below), whose sum is σ = 1396968. Its totient is φ = 698480.

The previous prime is 1047721. The next prime is 1047737. The reversal of 1047723 is 3277401.

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 1047723 - 2¹ = 1047721 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 1047693 and 1047702.

It is not an unprimeable number, because it can be changed into a prime (1047721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174618 + ... + 174623.

It is an arithmetic number, because the mean of its divisors is an integer number (349242).

2^1047723 is an apocalyptic number.

1047723 is a deficient number, since it is larger than the sum of its proper divisors (349245).

1047723 is an equidigital number, since it uses as much as digits as its factorization.

1047723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349244.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 1047723 is about 1023.5834113544. The cubic root of 1047723 is about 101.5661115718.

It can be divided in two parts, 1047 and 723, that added together give a triangular number (1770 = T₅₉).

The spelling of 1047723 in words is "one million, forty-seven thousand, seven hundred twenty-three".