23440221419 has 2 divisors, whose sum is σ = 23440221420. Its totient is φ = 23440221418.

The previous prime is 23440221407. The next prime is 23440221439. The reversal of 23440221419 is 91412204432.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23440221419 is a prime.

It is a super-2 number, since 2×23440221419² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23440221439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11720110709 + 11720110710.

It is an arithmetic number, because the mean of its divisors is an integer number (11720110710).

Almost surely, 2^23440221419 is an apocalyptic number.

23440221419 is a deficient number, since it is larger than the sum of its proper divisors (1).

23440221419 is an equidigital number, since it uses as much as digits as its factorization.

23440221419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 23440221419 in words is "twenty-three billion, four hundred forty million, two hundred twenty-one thousand, four hundred nineteen".