23443302451 has 4 divisors (see below), whose sum is σ = 23503568400. Its totient is φ = 23383036504.

The previous prime is 23443302419. The next prime is 23443302469. The reversal of 23443302451 is 15420334432.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23443302451 - 2⁵ = 23443302419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23443302401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30132391 + ... + 30133168.

It is an arithmetic number, because the mean of its divisors is an integer number (5875892100).

Almost surely, 2^23443302451 is an apocalyptic number.

23443302451 is a deficient number, since it is larger than the sum of its proper divisors (60265949).

23443302451 is an equidigital number, since it uses as much as digits as its factorization.

23443302451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60265948.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 23443302451 its reverse (15420334432), we get a palindrome (38863636883).

The spelling of 23443302451 in words is "twenty-three billion, four hundred forty-three million, three hundred two thousand, four hundred fifty-one".