21323112627 has 16 divisors (see below), whose sum is σ = 28719529632. Its totient is φ = 14071123200.

The previous prime is 21323112611. The next prime is 21323112649. The reversal of 21323112627 is 72621132312.

It is not a de Polignac number, because 21323112627 - 2⁴ = 21323112611 is a prime.

It is a super-2 number, since 2×21323112627² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21323112594 and 21323112603.

It is not an unprimeable number, because it can be changed into a prime (21323112607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1823383 + ... + 1835039.

It is an arithmetic number, because the mean of its divisors is an integer number (1794970602).

Almost surely, 2^21323112627 is an apocalyptic number.

21323112627 is a deficient number, since it is larger than the sum of its proper divisors (7396417005).

21323112627 is a wasteful number, since it uses less digits than its factorization.

21323112627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17798.

The product of its digits is 6048, while the sum is 30.

Adding to 21323112627 its reverse (72621132312), we get a palindrome (93944244939).

The spelling of 21323112627 in words is "twenty-one billion, three hundred twenty-three million, one hundred twelve thousand, six hundred twenty-seven".