1523223 has 24 divisors (see below), whose sum is σ = 2428608. Its totient is φ = 914112.

The previous prime is 1523219. The next prime is 1523233. The reversal of 1523223 is 3223251.

It is not a de Polignac number, because 1523223 - 2² = 1523219 is a prime.

1523223 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1523196 and 1523205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1523233) 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 23 ways as a sum of consecutive naturals, for example, 5361 + ... + 5637.

It is an arithmetic number, because the mean of its divisors is an integer number (101192).

2^1523223 is an apocalyptic number.

1523223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1523223 is a deficient number, since it is larger than the sum of its proper divisors (905385).

1523223 is a wasteful number, since it uses less digits than its factorization.

1523223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 340 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 1523223 is about 1234.1892075367. The cubic root of 1523223 is about 115.0591504150.

Adding to 1523223 its reverse (3223251), we get a palindrome (4746474).

It can be divided in two parts, 152 and 3223, that added together give a cube (3375 = 15³).

The spelling of 1523223 in words is "one million, five hundred twenty-three thousand, two hundred twenty-three".