23434002221 has 4 divisors (see below), whose sum is σ = 26781716832. Its totient is φ = 20086287612.

The previous prime is 23434002197. The next prime is 23434002233. The reversal of 23434002221 is 12220043432.

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 23434002221 - 2¹⁰ = 23434001197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23434001221) 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, 1673857295 + ... + 1673857308.

It is an arithmetic number, because the mean of its divisors is an integer number (6695429208).

Almost surely, 2^23434002221 is an apocalyptic number.

It is an amenable number.

23434002221 is a deficient number, since it is larger than the sum of its proper divisors (3347714611).

23434002221 is an equidigital number, since it uses as much as digits as its factorization.

23434002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347714610.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 23434002221 its reverse (12220043432), we get a palindrome (35654045653).

The spelling of 23434002221 in words is "twenty-three billion, four hundred thirty-four million, two thousand, two hundred twenty-one".