21623005211674 has 32 divisors (see below), whose sum is σ = 33319397422080. Its totient is φ = 10518597315072.

The previous prime is 21623005211627. The next prime is 21623005211693. The reversal of 21623005211674 is 47611250032612.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22505287 + ... + 23446405.

It is an arithmetic number, because the mean of its divisors is an integer number (1041231169440).

Almost surely, 2^{21623005211674} is an apocalyptic number.

21623005211674 is a deficient number, since it is larger than the sum of its proper divisors (11696392210406).

21623005211674 is a wasteful number, since it uses less digits than its factorization.

21623005211674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942214.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 21623005211674 in words is "twenty-one trillion, six hundred twenty-three billion, five million, two hundred eleven thousand, six hundred seventy-four".