22423040293 has 2 divisors, whose sum is σ = 22423040294. Its totient is φ = 22423040292.

The previous prime is 22423040291. The next prime is 22423040309. The reversal of 22423040293 is 39204032422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11899973569 + 10523066724 = 109087^2 + 102582^2 .

It is a cyclic number.

It is not a de Polignac number, because 22423040293 - 2¹ = 22423040291 is a prime.

It is a super-3 number, since 3×22423040293³ (a number of 32 digits) contains 333 as substring.

Together with 22423040291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22423040291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11211520146 + 11211520147.

It is an arithmetic number, because the mean of its divisors is an integer number (11211520147).

Almost surely, 2^22423040293 is an apocalyptic number.

It is an amenable number.

22423040293 is a deficient number, since it is larger than the sum of its proper divisors (1).

22423040293 is an equidigital number, since it uses as much as digits as its factorization.

22423040293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 22423040293 in words is "twenty-two billion, four hundred twenty-three million, forty thousand, two hundred ninety-three".