129623041024 has 33 divisors (see below), whose sum is σ = 259142529891. Its totient is φ = 64805760000.

The previous prime is 129623041003. The next prime is 129623041027. The reversal of 129623041024 is 420140326921.

The square root of 129623041024 is 360032.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129623041027) 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 2 ways as a sum of consecutive naturals, for example, 11515399 + ... + 11526649.

Almost surely, 2^129623041024 is an apocalyptic number.

129623041024 is the 360032-nd square number.

It is an amenable number.

129623041024 is a deficient number, since it is larger than the sum of its proper divisors (129519488867).

129623041024 is an frugal number, since it uses more digits than its factorization.

129623041024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22522 (or 11253 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 129623041024 its reverse (420140326921), we get a palindrome (549763367945).

The spelling of 129623041024 in words is "one hundred twenty-nine billion, six hundred twenty-three million, forty-one thousand, twenty-four".