1353623 has 4 divisors (see below), whose sum is σ = 1364088. Its totient is φ = 1343160.

The previous prime is 1353613. The next prime is 1353629. The reversal of 1353623 is 3263531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3263531 = 971 ⋅3361.

It is a cyclic number.

It is not a de Polignac number, because 1353623 - 2⁴ = 1353607 is a prime.

It is a super-2 number, since 2×1353623² = 3664590452258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353629) 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, 5036 + ... + 5297.

It is an arithmetic number, because the mean of its divisors is an integer number (341022).

2^1353623 is an apocalyptic number.

1353623 is a deficient number, since it is larger than the sum of its proper divisors (10465).

1353623 is a wasteful number, since it uses less digits than its factorization.

1353623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10464.

The product of its digits is 1620, while the sum is 23.

The square root of 1353623 is about 1163.4530501915. The cubic root of 1353623 is about 110.6197251360.

The spelling of 1353623 in words is "one million, three hundred fifty-three thousand, six hundred twenty-three".