100523429 has 2 divisors, whose sum is σ = 100523430. Its totient is φ = 100523428.

The previous prime is 100523411. The next prime is 100523477. The reversal of 100523429 is 924325001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82264900 + 18258529 = 9070^2 + 4273^2 .

It is a cyclic number.

It is not a de Polignac number, because 100523429 - 2²⁰ = 99474853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100523398 and 100523407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100523729) 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, 50261714 + 50261715.

It is an arithmetic number, because the mean of its divisors is an integer number (50261715).

Almost surely, 2^100523429 is an apocalyptic number.

It is an amenable number.

100523429 is a deficient number, since it is larger than the sum of its proper divisors (1).

100523429 is an equidigital number, since it uses as much as digits as its factorization.

100523429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 100523429 is about 10026.1372920981. The cubic root of 100523429 is about 464.9673218644.

The spelling of 100523429 in words is "one hundred million, five hundred twenty-three thousand, four hundred twenty-nine".