1453523 has 4 divisors (see below), whose sum is σ = 1464120. Its totient is φ = 1442928.

The previous prime is 1453513. The next prime is 1453537. The reversal of 1453523 is 3253541.

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 1453523 - 2⁸ = 1453267 is a prime.

It is a super-2 number, since 2×1453523² = 4225458223058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1453513) 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, 5090 + ... + 5367.

It is an arithmetic number, because the mean of its divisors is an integer number (366030).

2^1453523 is an apocalyptic number.

1453523 is a deficient number, since it is larger than the sum of its proper divisors (10597).

1453523 is a wasteful number, since it uses less digits than its factorization.

1453523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10596.

The product of its digits is 1800, while the sum is 23.

The square root of 1453523 is about 1205.6214165317. The cubic root of 1453523 is about 113.2767123937.

The spelling of 1453523 in words is "one million, four hundred fifty-three thousand, five hundred twenty-three".