1453323320 has 16 divisors (see below), whose sum is σ = 3269977560. Its totient is φ = 581329312.

The previous prime is 1453323293. The next prime is 1453323323. The reversal of 1453323320 is 233233541.

It is a happy number.

It is a super-2 number, since 2×1453323320² = 4224297344911644800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453323320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453323323) 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, 18166502 + ... + 18166581.

Almost surely, 2^1453323320 is an apocalyptic number.

1453323320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1453323320 is an abundant number, since it is smaller than the sum of its proper divisors (1816654240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1453323320 is a wasteful number, since it uses less digits than its factorization.

1453323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36333094 (or 36333090 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 1453323320 is about 38122.4778837892. The cubic root of 1453323320 is about 1132.7152496757.

Adding to 1453323320 its reverse (233233541), we get a palindrome (1686556861).

The spelling of 1453323320 in words is "one billion, four hundred fifty-three million, three hundred twenty-three thousand, three hundred twenty".