23440001621419 has 2 divisors, whose sum is σ = 23440001621420. Its totient is φ = 23440001621418.

The previous prime is 23440001621381. The next prime is 23440001621431. The reversal of 23440001621419 is 91412610004432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23440001621419 - 2⁹ = 23440001620907 is a prime.

It is a super-2 number, since 2×23440001621419² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23440001621459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11720000810709 + 11720000810710.

It is an arithmetic number, because the mean of its divisors is an integer number (11720000810710).

Almost surely, 2^{23440001621419} is an apocalyptic number.

23440001621419 is a deficient number, since it is larger than the sum of its proper divisors (1).

23440001621419 is an equidigital number, since it uses as much as digits as its factorization.

23440001621419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 23440001621419 in words is "twenty-three trillion, four hundred forty billion, one million, six hundred twenty-one thousand, four hundred nineteen".