100641323 has 2 divisors, whose sum is σ = 100641324. Its totient is φ = 100641322.

The previous prime is 100641287. The next prime is 100641379. The reversal of 100641323 is 323146001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100641323 - 2⁶ = 100641259 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 100641295 and 100641304.

It is not a weakly prime, because it can be changed into another prime (100641383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50320661 + 50320662.

It is an arithmetic number, because the mean of its divisors is an integer number (50320662).

Almost surely, 2^100641323 is an apocalyptic number.

100641323 is a deficient number, since it is larger than the sum of its proper divisors (1).

100641323 is an equidigital number, since it uses as much as digits as its factorization.

100641323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 100641323 is about 10032.0149023015. The cubic root of 100641323 is about 465.1490222639.

Adding to 100641323 its reverse (323146001), we get a palindrome (423787324).

The spelling of 100641323 in words is "one hundred million, six hundred forty-one thousand, three hundred twenty-three".