23191283409 has 8 divisors (see below), whose sum is σ = 35339098560. Its totient is φ = 13252161936.

The previous prime is 23191283351. The next prime is 23191283413. The reversal of 23191283409 is 90438219132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23191283409 - 2¹¹ = 23191281361 is a prime.

It is a super-2 number, since 2×23191283409² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23191283429) 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 7 ways as a sum of consecutive naturals, for example, 552173394 + ... + 552173435.

It is an arithmetic number, because the mean of its divisors is an integer number (4417387320).

Almost surely, 2^23191283409 is an apocalyptic number.

It is an amenable number.

23191283409 is a deficient number, since it is larger than the sum of its proper divisors (12147815151).

23191283409 is a wasteful number, since it uses less digits than its factorization.

23191283409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104346839.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 23191283409 in words is "twenty-three billion, one hundred ninety-one million, two hundred eighty-three thousand, four hundred nine".