21423637114 has 16 divisors (see below), whose sum is σ = 35063497440. Its totient is φ = 9736173360.

The previous prime is 21423637073. The next prime is 21423637121. The reversal of 21423637114 is 41173632412.

It is a self number, because there is not a number n which added to its sum of digits gives 21423637114.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30292 + ... + 209200.

It is an arithmetic number, because the mean of its divisors is an integer number (2191468590).

Almost surely, 2^21423637114 is an apocalyptic number.

21423637114 is a deficient number, since it is larger than the sum of its proper divisors (13639860326).

21423637114 is a wasteful number, since it uses less digits than its factorization.

21423637114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184365.

The product of its digits is 24192, while the sum is 34.

The spelling of 21423637114 in words is "twenty-one billion, four hundred twenty-three million, six hundred thirty-seven thousand, one hundred fourteen".