23432010342421 has 4 divisors (see below), whose sum is σ = 23432023237644. Its totient is φ = 23431997447200.

The previous prime is 23432010342413. The next prime is 23432010342437. The reversal of 23432010342421 is 12424301023432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13804301191396 + 9627709151025 = 3715414^2 + 3102855^2 .

It is a cyclic number.

It is not a de Polignac number, because 23432010342421 - 2³ = 23432010342413 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 (23432010342721) 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, 3164800 + ... + 7541881.

It is an arithmetic number, because the mean of its divisors is an integer number (5858005809411).

Almost surely, 2^{23432010342421} is an apocalyptic number.

It is an amenable number.

23432010342421 is a deficient number, since it is larger than the sum of its proper divisors (12895223).

23432010342421 is a wasteful number, since it uses less digits than its factorization.

23432010342421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12895222.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 23432010342421 its reverse (12424301023432), we get a palindrome (35856311365853).

The spelling of 23432010342421 in words is "twenty-three trillion, four hundred thirty-two billion, ten million, three hundred forty-two thousand, four hundred twenty-one".