23529661412 has 12 divisors (see below), whose sum is σ = 41179159980. Its totient is φ = 11764187136.

The previous prime is 23529661391. The next prime is 23529661469. The reversal of 23529661412 is 21416692532.

It can be written as a sum of positive squares in 2 ways, for example, as 21393742756 + 2135918656 = 146266^2 + 46216^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23529661412.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 73337 + ... + 228992.

It is an arithmetic number, because the mean of its divisors is an integer number (3431596665).

Almost surely, 2^23529661412 is an apocalyptic number.

It is an amenable number.

23529661412 is a deficient number, since it is larger than the sum of its proper divisors (17649498568).

23529661412 is a wasteful number, since it uses less digits than its factorization.

23529661412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321790 (or 321788 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The spelling of 23529661412 in words is "twenty-three billion, five hundred twenty-nine million, six hundred sixty-one thousand, four hundred twelve".