22323003149 has 2 divisors, whose sum is σ = 22323003150. Its totient is φ = 22323003148.

The previous prime is 22323003113. The next prime is 22323003151. The reversal of 22323003149 is 94130032322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22192060900 + 130942249 = 148970^2 + 11443^2 .

It is a cyclic number.

It is not a de Polignac number, because 22323003149 - 2²⁴ = 22306225933 is a prime.

It is a super-3 number, since 3×22323003149³ (a number of 32 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 22323003151, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22323003749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11161501574 + 11161501575.

It is an arithmetic number, because the mean of its divisors is an integer number (11161501575).

Almost surely, 2^22323003149 is an apocalyptic number.

It is an amenable number.

22323003149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22323003149 is an equidigital number, since it uses as much as digits as its factorization.

22323003149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 22323003149 in words is "twenty-two billion, three hundred twenty-three million, three thousand, one hundred forty-nine".