21623546030046 has 32 divisors (see below), whose sum is σ = 43298759900160. Its totient is φ = 7199237973504.

The previous prime is 21623546029951. The next prime is 21623546030087. The reversal of 21623546030046 is 64003064532612.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191161821 + ... + 191274903.

It is an arithmetic number, because the mean of its divisors is an integer number (1353086246880).

Almost surely, 2^{21623546030046} is an apocalyptic number.

21623546030046 is an abundant number, since it is smaller than the sum of its proper divisors (21675213870114).

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

21623546030046 is a wasteful number, since it uses less digits than its factorization.

21623546030046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150880.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 21623546030046 in words is "twenty-one trillion, six hundred twenty-three billion, five hundred forty-six million, thirty thousand, forty-six".