23234431433021 has 8 divisors (see below), whose sum is σ = 23240259132384. Its totient is φ = 23228604444240.

The previous prime is 23234431433009. The next prime is 23234431433051. The reversal of 23234431433021 is 12033413443232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23234431433021 - 2⁶ = 23234431432957 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 (23234431433051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68517530 + ... + 68855796.

It is an arithmetic number, because the mean of its divisors is an integer number (2905032391548).

Almost surely, 2^{23234431433021} is an apocalyptic number.

It is an amenable number.

23234431433021 is a deficient number, since it is larger than the sum of its proper divisors (5827699363).

23234431433021 is a wasteful number, since it uses less digits than its factorization.

23234431433021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355291.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 23234431433021 its reverse (12033413443232), we get a palindrome (35267844876253).

The spelling of 23234431433021 in words is "twenty-three trillion, two hundred thirty-four billion, four hundred thirty-one million, four hundred thirty-three thousand, twenty-one".