100453043 has 2 divisors, whose sum is σ = 100453044. Its totient is φ = 100453042.

The previous prime is 100453021. The next prime is 100453081. The reversal of 100453043 is 340354001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100453043 - 2²² = 96258739 is a prime.

It is not a weakly prime, because it can be changed into another prime (100453343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50226521 + 50226522.

It is an arithmetic number, because the mean of its divisors is an integer number (50226522).

Almost surely, 2^100453043 is an apocalyptic number.

100453043 is a deficient number, since it is larger than the sum of its proper divisors (1).

100453043 is an equidigital number, since it uses as much as digits as its factorization.

100453043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 100453043 is about 10022.6265519573. The cubic root of 100453043 is about 464.8587739312.

The spelling of 100453043 in words is "one hundred million, four hundred fifty-three thousand, forty-three".