2423031421 has 2 divisors, whose sum is σ = 2423031422. Its totient is φ = 2423031420.

The previous prime is 2423031389. The next prime is 2423031427. The reversal of 2423031421 is 1241303242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1261244196 + 1161787225 = 35514^2 + 34085^2 .

It is a cyclic number.

It is not a de Polignac number, because 2423031421 - 2⁵ = 2423031389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2423031392 and 2423031401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2423031427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211515710 + 1211515711.

It is an arithmetic number, because the mean of its divisors is an integer number (1211515711).

Almost surely, 2^2423031421 is an apocalyptic number.

It is an amenable number.

2423031421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2423031421 is an equidigital number, since it uses as much as digits as its factorization.

2423031421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2423031421 is about 49224.2970594807. The cubic root of 2423031421 is about 1343.1350485444.

Adding to 2423031421 its reverse (1241303242), we get a palindrome (3664334663).

The spelling of 2423031421 in words is "two billion, four hundred twenty-three million, thirty-one thousand, four hundred twenty-one".