23410343221 has 16 divisors (see below), whose sum is σ = 25400774448. Its totient is φ = 21488435200.

The previous prime is 23410343183. The next prime is 23410343237. The reversal of 23410343221 is 12234301432.

It can be written as a sum of positive squares in 8 ways, for example, as 2965347025 + 20444996196 = 54455^2 + 142986^2 .

It is not a de Polignac number, because 23410343221 - 2⁷ = 23410343093 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 (23410343291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3789291 + ... + 3795463.

It is an arithmetic number, because the mean of its divisors is an integer number (1587548403).

Almost surely, 2^23410343221 is an apocalyptic number.

It is an amenable number.

23410343221 is a deficient number, since it is larger than the sum of its proper divisors (1990431227).

23410343221 is a wasteful number, since it uses less digits than its factorization.

23410343221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11672.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23410343221 its reverse (12234301432), we get a palindrome (35644644653).

The spelling of 23410343221 in words is "twenty-three billion, four hundred ten million, three hundred forty-three thousand, two hundred twenty-one".