1408723 has 6 divisors (see below), whose sum is σ = 1449492. Its totient is φ = 1368360.

The previous prime is 1408709. The next prime is 1408741. The reversal of 1408723 is 3278041.

It is not a de Polignac number, because 1408723 - 2¹⁷ = 1277651 is a prime.

It is a Duffinian number.

1408723 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1408703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7693 + ... + 7873.

It is an arithmetic number, because the mean of its divisors is an integer number (241582).

2^1408723 is an apocalyptic number.

1408723 is a deficient number, since it is larger than the sum of its proper divisors (40769).

1408723 is an frugal number, since it uses more digits than its factorization.

1408723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1408723 is about 1186.8963728987. The cubic root of 1408723 is about 112.1007543605.

The spelling of 1408723 in words is "one million, four hundred eight thousand, seven hundred twenty-three".