1453321043 has 2 divisors, whose sum is σ = 1453321044. Its totient is φ = 1453321042.

The previous prime is 1453321031. The next prime is 1453321063. The reversal of 1453321043 is 3401233541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1453321043 - 2¹⁰ = 1453320019 is a prime.

It is a super-2 number, since 2×1453321043² = 4224284108053215698, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1453321063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726660521 + 726660522.

It is an arithmetic number, because the mean of its divisors is an integer number (726660522).

Almost surely, 2^1453321043 is an apocalyptic number.

1453321043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453321043 is an equidigital number, since it uses as much as digits as its factorization.

1453321043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1453321043 is about 38122.4480195068. The cubic root of 1453321043 is about 1132.7146581134.

Adding to 1453321043 its reverse (3401233541), we get a palindrome (4854554584).

The spelling of 1453321043 in words is "one billion, four hundred fifty-three million, three hundred twenty-one thousand, forty-three".