23409401219 has 4 divisors (see below), whose sum is σ = 24427201296. Its totient is φ = 22391601144.

The previous prime is 23409401209. The next prime is 23409401227. The reversal of 23409401219 is 91210490432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23409401219 is a prime.

It is a super-2 number, since 2×23409401219² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23409401209) 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 in 3 ways as a sum of consecutive naturals, for example, 508900004 + ... + 508900049.

It is an arithmetic number, because the mean of its divisors is an integer number (6106800324).

Almost surely, 2^23409401219 is an apocalyptic number.

23409401219 is a deficient number, since it is larger than the sum of its proper divisors (1017800077).

23409401219 is a wasteful number, since it uses less digits than its factorization.

23409401219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017800076.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 23409401219 in words is "twenty-three billion, four hundred nine million, four hundred one thousand, two hundred nineteen".