1355723 has 8 divisors (see below), whose sum is σ = 1416576. Its totient is φ = 1296000.

The previous prime is 1355713. The next prime is 1355741. The reversal of 1355723 is 3275531.

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 1355723 - 2⁶ = 1355659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1355692 and 1355701.

It is not an unprimeable number, because it can be changed into a prime (1355713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2915 + ... + 3347.

It is an arithmetic number, because the mean of its divisors is an integer number (177072).

2^1355723 is an apocalyptic number.

1355723 is a deficient number, since it is larger than the sum of its proper divisors (60853).

1355723 is a wasteful number, since it uses less digits than its factorization.

1355723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its digits is 3150, while the sum is 26.

The square root of 1355723 is about 1164.3551863585. The cubic root of 1355723 is about 110.6769004342.

The spelling of 1355723 in words is "one million, three hundred fifty-five thousand, seven hundred twenty-three".