2423021389 has 2 divisors, whose sum is σ = 2423021390. Its totient is φ = 2423021388.

The previous prime is 2423021387. The next prime is 2423021437. The reversal of 2423021389 is 9831203242.

It is a happy number.

2423021389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2350601289 + 72420100 = 48483^2 + 8510^2 .

It is a cyclic number.

It is not a de Polignac number, because 2423021389 - 2¹ = 2423021387 is a prime.

Together with 2423021387, 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 (2423021387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211510694 + 1211510695.

It is an arithmetic number, because the mean of its divisors is an integer number (1211510695).

Almost surely, 2^2423021389 is an apocalyptic number.

It is an amenable number.

2423021389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2423021389 is an equidigital number, since it uses as much as digits as its factorization.

2423021389 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 34.

The square root of 2423021389 is about 49224.1951584787. The cubic root of 2423021389 is about 1343.1331948954.

The spelling of 2423021389 in words is "two billion, four hundred twenty-three million, twenty-one thousand, three hundred eighty-nine".