23453244431 has 4 divisors (see below), whose sum is σ = 23529639672. Its totient is φ = 23376849192.

The previous prime is 23453244413. The next prime is 23453244461. The reversal of 23453244431 is 13444235432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23453244431 is a prime.

It is a super-2 number, since 2×23453244431² (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 = 23453244391 and 23453244400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23453244461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38197160 + ... + 38197773.

It is an arithmetic number, because the mean of its divisors is an integer number (5882409918).

Almost surely, 2^23453244431 is an apocalyptic number.

23453244431 is a deficient number, since it is larger than the sum of its proper divisors (76395241).

23453244431 is an equidigital number, since it uses as much as digits as its factorization.

23453244431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76395240.

The product of its digits is 138240, while the sum is 35.

Adding to 23453244431 its reverse (13444235432), we get a palindrome (36897479863).

The spelling of 23453244431 in words is "twenty-three billion, four hundred fifty-three million, two hundred forty-four thousand, four hundred thirty-one".