1573223 has 8 divisors (see below), whose sum is σ = 1665888. Its totient is φ = 1482624.

The previous prime is 1573217. The next prime is 1573237. The reversal of 1573223 is 3223751.

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 1573223 - 2⁴ = 1573207 is a prime.

It is a super-3 number, since 3×1573223³ = 11681325233349721701, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1573283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1211 + ... + 2147.

It is an arithmetic number, because the mean of its divisors is an integer number (208236).

2^1573223 is an apocalyptic number.

1573223 is a deficient number, since it is larger than the sum of its proper divisors (92665).

1573223 is an equidigital number, since it uses as much as digits as its factorization.

1573223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033.

The product of its digits is 1260, while the sum is 23.

The square root of 1573223 is about 1254.2818662486. The cubic root of 1573223 is about 116.3045652810.

Adding to 1573223 its reverse (3223751), we get a palindrome (4796974).

The spelling of 1573223 in words is "one million, five hundred seventy-three thousand, two hundred twenty-three".