123029771536 has 45 divisors (see below), whose sum is σ = 277309900119. Its totient is φ = 52722835872.

The previous prime is 123029771533. The next prime is 123029771563. The reversal of 123029771536 is 635177920321.

The square root of 123029771536 is 350756.

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

123029771536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (123029771533) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9814905 + ... + 9827431.

Almost surely, 2^123029771536 is an apocalyptic number.

123029771536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

123029771536 is the 350756-th square number.

It is an amenable number.

123029771536 is an abundant number, since it is smaller than the sum of its proper divisors (154280128583).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123029771536 is an frugal number, since it uses more digits than its factorization.

123029771536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25076 (or 12536 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 123029771536 in words is "one hundred twenty-three billion, twenty-nine million, seven hundred seventy-one thousand, five hundred thirty-six".