22013331623 has 2 divisors, whose sum is σ = 22013331624. Its totient is φ = 22013331622.

The previous prime is 22013331589. The next prime is 22013331713. The reversal of 22013331623 is 32613331022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22013331623 - 2⁸ = 22013331367 is a prime.

It is a super-3 number, since 3×22013331623³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22013331592 and 22013331601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22013301623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006665811 + 11006665812.

It is an arithmetic number, because the mean of its divisors is an integer number (11006665812).

Almost surely, 2^22013331623 is an apocalyptic number.

22013331623 is a deficient number, since it is larger than the sum of its proper divisors (1).

22013331623 is an equidigital number, since it uses as much as digits as its factorization.

22013331623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 22013331623 its reverse (32613331022), we get a palindrome (54626662645).

The spelling of 22013331623 in words is "twenty-two billion, thirteen million, three hundred thirty-one thousand, six hundred twenty-three".