2423263621 has 2 divisors, whose sum is σ = 2423263622. Its totient is φ = 2423263620.

The previous prime is 2423263567. The next prime is 2423263637. The reversal of 2423263621 is 1263623242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2002562500 + 420701121 = 44750^2 + 20511^2 .

It is a cyclic number.

It is not a de Polignac number, because 2423263621 - 2¹¹ = 2423261573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2423263651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211631810 + 1211631811.

It is an arithmetic number, because the mean of its divisors is an integer number (1211631811).

Almost surely, 2^2423263621 is an apocalyptic number.

It is an amenable number.

2423263621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2423263621 is an equidigital number, since it uses as much as digits as its factorization.

2423263621 is an evil number, because the sum of its binary digits is even.

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

The square root of 2423263621 is about 49226.6555943018. The cubic root of 2423263621 is about 1343.1779515506.

Adding to 2423263621 its reverse (1263623242), we get a palindrome (3686886863).

The spelling of 2423263621 in words is "two billion, four hundred twenty-three million, two hundred sixty-three thousand, six hundred twenty-one".