21623233232612 has 24 divisors (see below), whose sum is σ = 43708995519840. Its totient is φ = 9250581061760.

The previous prime is 21623233232569. The next prime is 21623233232707.

21623233232612 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14454032162 + ... + 14454033657.

It is an arithmetic number, because the mean of its divisors is an integer number (1821208146660).

Almost surely, 2^{21623233232612} is an apocalyptic number.

21623233232612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21623233232612 is an abundant number, since it is smaller than the sum of its proper divisors (22085762287228).

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

21623233232612 is a wasteful number, since it uses less digits than its factorization.

21623233232612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28908065851 (or 28908065849 counting only the distinct ones).

The product of its digits is 186624, while the sum is 38.

It can be divided in two parts, 2162323 and 3232612, that added together give a palindrome (5394935).

The spelling of 21623233232612 in words is "twenty-one trillion, six hundred twenty-three billion, two hundred thirty-three million, two hundred thirty-two thousand, six hundred twelve".