21323607127 has 8 divisors (see below), whose sum is σ = 22580424000. Its totient is φ = 20067066624.

The previous prime is 21323607121. The next prime is 21323607157. The reversal of 21323607127 is 72170632312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21323607127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21323607092 and 21323607101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21323607121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101874 + ... + 230272.

It is an arithmetic number, because the mean of its divisors is an integer number (2822553000).

Almost surely, 2^21323607127 is an apocalyptic number.

21323607127 is a deficient number, since it is larger than the sum of its proper divisors (1256816873).

21323607127 is a wasteful number, since it uses less digits than its factorization.

21323607127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138185.

The product of its (nonzero) digits is 21168, while the sum is 34.

The spelling of 21323607127 in words is "twenty-one billion, three hundred twenty-three million, six hundred seven thousand, one hundred twenty-seven".