22423423117 has 2 divisors, whose sum is σ = 22423423118. Its totient is φ = 22423423116.

The previous prime is 22423423109. The next prime is 22423423153. The reversal of 22423423117 is 71132432422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13998202596 + 8425220521 = 118314^2 + 91789^2 .

It is a cyclic number.

It is not a de Polignac number, because 22423423117 - 2³ = 22423423109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22423424117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11211711558 + 11211711559.

It is an arithmetic number, because the mean of its divisors is an integer number (11211711559).

Almost surely, 2^22423423117 is an apocalyptic number.

It is an amenable number.

22423423117 is a deficient number, since it is larger than the sum of its proper divisors (1).

22423423117 is an equidigital number, since it uses as much as digits as its factorization.

22423423117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 31.

Adding to 22423423117 its reverse (71132432422), we get a palindrome (93555855539).

The spelling of 22423423117 in words is "twenty-two billion, four hundred twenty-three million, four hundred twenty-three thousand, one hundred seventeen".