100443407 has 2 divisors, whose sum is σ = 100443408. Its totient is φ = 100443406.

The previous prime is 100443397. The next prime is 100443439. The reversal of 100443407 is 704344001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100443407 - 2⁸ = 100443151 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100443467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50221703 + 50221704.

It is an arithmetic number, because the mean of its divisors is an integer number (50221704).

Almost surely, 2^100443407 is an apocalyptic number.

100443407 is a deficient number, since it is larger than the sum of its proper divisors (1).

100443407 is an equidigital number, since it uses as much as digits as its factorization.

100443407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 100443407 is about 10022.1458281149. The cubic root of 100443407 is about 464.8439095320.

Adding to 100443407 its reverse (704344001), we get a palindrome (804787408).

The spelling of 100443407 in words is "one hundred million, four hundred forty-three thousand, four hundred seven".