80429523 has 8 divisors (see below), whose sum is σ = 107313600. Its totient is φ = 53582568.

The previous prime is 80429519. The next prime is 80429539. The reversal of 80429523 is 32592408.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80429523 - 2² = 80429519 is a prime.

It is a super-3 number, since 3×80429523³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (80429563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3753 + ... + 13226.

It is an arithmetic number, because the mean of its divisors is an integer number (13414200).

Almost surely, 2^80429523 is an apocalyptic number.

80429523 is a deficient number, since it is larger than the sum of its proper divisors (26884077).

80429523 is a wasteful number, since it uses less digits than its factorization.

80429523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18561.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 80429523 is about 8968.2508327990. The cubic root of 80429523 is about 431.6567113745.

The spelling of 80429523 in words is "eighty million, four hundred twenty-nine thousand, five hundred twenty-three".