100631023 has 2 divisors, whose sum is σ = 100631024. Its totient is φ = 100631022.

The previous prime is 100630997. The next prime is 100631057. The reversal of 100631023 is 320136001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100631023 - 2¹³ = 100622831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100630988 and 100631006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100631093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50315511 + 50315512.

It is an arithmetic number, because the mean of its divisors is an integer number (50315512).

Almost surely, 2^100631023 is an apocalyptic number.

100631023 is a deficient number, since it is larger than the sum of its proper divisors (1).

100631023 is an equidigital number, since it uses as much as digits as its factorization.

100631023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 100631023 is about 10031.5015326720. The cubic root of 100631023 is about 465.1331533735.

Adding to 100631023 its reverse (320136001), we get a palindrome (420767024).

The spelling of 100631023 in words is "one hundred million, six hundred thirty-one thousand, twenty-three".