100613923 has 2 divisors, whose sum is σ = 100613924. Its totient is φ = 100613922.

The previous prime is 100613893. The next prime is 100613969. The reversal of 100613923 is 329316001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100613923 - 2⁹ = 100613411 is a prime.

It is not a weakly prime, because it can be changed into another prime (100683923) 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, 50306961 + 50306962.

It is an arithmetic number, because the mean of its divisors is an integer number (50306962).

Almost surely, 2^100613923 is an apocalyptic number.

100613923 is a deficient number, since it is larger than the sum of its proper divisors (1).

100613923 is an equidigital number, since it uses as much as digits as its factorization.

100613923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 100613923 is about 10030.6491813840. The cubic root of 100613923 is about 465.1068055427.

Adding to 100613923 its reverse (329316001), we get a palindrome (429929924).

The spelling of 100613923 in words is "one hundred million, six hundred thirteen thousand, nine hundred twenty-three".