23211320419 has 4 divisors (see below), whose sum is σ = 26527223344. Its totient is φ = 19895417496.

The previous prime is 23211320383. The next prime is 23211320477. The reversal of 23211320419 is 91402311232.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23211320419 - 2¹¹ = 23211318371 is a prime.

It is a super-2 number, since 2×23211320419² (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 (23211324419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1657951452 + ... + 1657951465.

It is an arithmetic number, because the mean of its divisors is an integer number (6631805836).

Almost surely, 2^23211320419 is an apocalyptic number.

23211320419 is a deficient number, since it is larger than the sum of its proper divisors (3315902925).

23211320419 is an equidigital number, since it uses as much as digits as its factorization.

23211320419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315902924.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 23211320419 in words is "twenty-three billion, two hundred eleven million, three hundred twenty thousand, four hundred nineteen".