19423441 has 2 divisors, whose sum is σ = 19423442. Its totient is φ = 19423440.

The previous prime is 19423429. The next prime is 19423447. The reversal of 19423441 is 14432491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12453841 + 6969600 = 3529^2 + 2640^2 .

It is a cyclic number.

It is not a de Polignac number, because 19423441 - 2¹⁷ = 19292369 is a prime.

It is not a weakly prime, because it can be changed into another prime (19423447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9711720 + 9711721.

It is an arithmetic number, because the mean of its divisors is an integer number (9711721).

Almost surely, 2^19423441 is an apocalyptic number.

19423441 is the 2545-th hex number.

It is an amenable number.

19423441 is a deficient number, since it is larger than the sum of its proper divisors (1).

19423441 is an equidigital number, since it uses as much as digits as its factorization.

19423441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 19423441 is about 4407.2033082217. The cubic root of 19423441 is about 268.8079178580.

The spelling of 19423441 in words is "nineteen million, four hundred twenty-three thousand, four hundred forty-one".