23205164033449 has 4 divisors (see below), whose sum is σ = 23205475959120. Its totient is φ = 23204852107780.

The previous prime is 23205164033417. The next prime is 23205164033477. The reversal of 23205164033449 is 94433046150232.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23205164033449 - 2⁵ = 23205164033417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23205164033399 and 23205164033408.

It is not an unprimeable number, because it can be changed into a prime (23205161033449) 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, 155851219 + ... + 156000040.

It is an arithmetic number, because the mean of its divisors is an integer number (5801368989780).

Almost surely, 2^{23205164033449} is an apocalyptic number.

It is an amenable number.

23205164033449 is a deficient number, since it is larger than the sum of its proper divisors (311925671).

23205164033449 is an equidigital number, since it uses as much as digits as its factorization.

23205164033449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311925670.

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 23205164033449 in words is "twenty-three trillion, two hundred five billion, one hundred sixty-four million, thirty-three thousand, four hundred forty-nine".