1453423223 has 4 divisors (see below), whose sum is σ = 1661055120. Its totient is φ = 1245791328.

The previous prime is 1453423217. The next prime is 1453423249. The reversal of 1453423223 is 3223243541.

It is a happy number.

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 1453423223 - 2⁴ = 1453423207 is a prime.

It is a super-2 number, since 2×1453423223² = 4224878130311415458, 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 (1453420223) 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, 103815938 + ... + 103815951.

It is an arithmetic number, because the mean of its divisors is an integer number (415263780).

Almost surely, 2^1453423223 is an apocalyptic number.

1453423223 is a deficient number, since it is larger than the sum of its proper divisors (207631897).

1453423223 is an equidigital number, since it uses as much as digits as its factorization.

1453423223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207631896.

The product of its digits is 17280, while the sum is 29.

The square root of 1453423223 is about 38123.7881512318. The cubic root of 1453423223 is about 1132.7412037671.

Adding to 1453423223 its reverse (3223243541), we get a palindrome (4676666764).

The spelling of 1453423223 in words is "one billion, four hundred fifty-three million, four hundred twenty-three thousand, two hundred twenty-three".