1358923 has 4 divisors (see below), whose sum is σ = 1362240. Its totient is φ = 1355608.

The previous prime is 1358891. The next prime is 1358927. The reversal of 1358923 is 3298531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3298531 = 1579 ⋅2089.

It is a cyclic number.

It is not a de Polignac number, because 1358923 - 2⁵ = 1358891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1358927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940 + ... + 1897.

It is an arithmetic number, because the mean of its divisors is an integer number (340560).

2^1358923 is an apocalyptic number.

1358923 is a deficient number, since it is larger than the sum of its proper divisors (3317).

1358923 is an equidigital number, since it uses as much as digits as its factorization.

1358923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316.

The product of its digits is 6480, while the sum is 31.

The square root of 1358923 is about 1165.7285275741. The cubic root of 1358923 is about 110.7639112746.

The spelling of 1358923 in words is "one million, three hundred fifty-eight thousand, nine hundred twenty-three".