23429561222 has 4 divisors (see below), whose sum is σ = 35144341836. Its totient is φ = 11714780610.

The previous prime is 23429561161. The next prime is 23429561273. The reversal of 23429561222 is 22216592432.

It is a happy number.

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

It is a super-2 number, since 2×23429561222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5857390304 + ... + 5857390307.

It is an arithmetic number, because the mean of its divisors is an integer number (8786085459).

Almost surely, 2^23429561222 is an apocalyptic number.

23429561222 is a deficient number, since it is larger than the sum of its proper divisors (11714780614).

23429561222 is a wasteful number, since it uses less digits than its factorization.

23429561222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11714780613.

The product of its digits is 103680, while the sum is 38.

The spelling of 23429561222 in words is "twenty-three billion, four hundred twenty-nine million, five hundred sixty-one thousand, two hundred twenty-two".