1453240323 has 12 divisors (see below), whose sum is σ = 2120766648. Its totient is φ = 958838400.

The previous prime is 1453240307. The next prime is 1453240333. The reversal of 1453240323 is 3230423541.

1453240323 is a `hidden beast` number, since 14 + 5 + 324 + 0 + 323 = 666.

It is not a de Polignac number, because 1453240323 - 2⁴ = 1453240307 is a prime.

It is a super-2 number, since 2×1453240323² = 4223814872786288658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1453240333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 831453 + ... + 833198.

It is an arithmetic number, because the mean of its divisors is an integer number (176730554).

Almost surely, 2^1453240323 is an apocalyptic number.

1453240323 is a deficient number, since it is larger than the sum of its proper divisors (667526325).

1453240323 is a wasteful number, since it uses less digits than its factorization.

1453240323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664754 (or 1664751 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 1453240323 is about 38121.3893109892. The cubic root of 1453240323 is about 1132.6936867388.

Adding to 1453240323 its reverse (3230423541), we get a palindrome (4683663864).

The spelling of 1453240323 in words is "one billion, four hundred fifty-three million, two hundred forty thousand, three hundred twenty-three".