23421410233 has 4 divisors (see below), whose sum is σ = 25223057188. Its totient is φ = 21619763280.

The previous prime is 23421410197. The next prime is 23421410239. The reversal of 23421410233 is 33201412432.

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 6303089664 + 17118320569 = 79392^2 + 130837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23421410233 is a prime.

It is a super-2 number, since 2×23421410233² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23421410198 and 23421410207.

It is not an unprimeable number, because it can be changed into a prime (23421410239) 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, 900823458 + ... + 900823483.

It is an arithmetic number, because the mean of its divisors is an integer number (6305764297).

Almost surely, 2^23421410233 is an apocalyptic number.

It is an amenable number.

23421410233 is a deficient number, since it is larger than the sum of its proper divisors (1801646955).

23421410233 is a wasteful number, since it uses less digits than its factorization.

23421410233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801646954.

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

Adding to 23421410233 its reverse (33201412432), we get a palindrome (56622822665).

The spelling of 23421410233 in words is "twenty-three billion, four hundred twenty-one million, four hundred ten thousand, two hundred thirty-three".