72529131023 has 2 divisors, whose sum is σ = 72529131024. Its totient is φ = 72529131022.

The previous prime is 72529131019. The next prime is 72529131043. The reversal of 72529131023 is 32013192527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72529131023 - 2² = 72529131019 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72529131043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36264565511 + 36264565512.

It is an arithmetic number, because the mean of its divisors is an integer number (36264565512).

Almost surely, 2^72529131023 is an apocalyptic number.

72529131023 is a deficient number, since it is larger than the sum of its proper divisors (1).

72529131023 is an equidigital number, since it uses as much as digits as its factorization.

72529131023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 72529131023 in words is "seventy-two billion, five hundred twenty-nine million, one hundred thirty-one thousand, twenty-three".