23132440443 has 8 divisors (see below), whose sum is σ = 35249433088. Its totient is φ = 13218537384.

The previous prime is 23132440427. The next prime is 23132440459. The reversal of 23132440443 is 34404423132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23132440427) and next prime (23132440459).

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

It is not a de Polignac number, because 23132440443 - 2⁴ = 23132440427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23132440443.

It is not an unprimeable number, because it can be changed into a prime (23132440423) 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 7 ways as a sum of consecutive naturals, for example, 550772371 + ... + 550772412.

It is an arithmetic number, because the mean of its divisors is an integer number (4406179136).

Almost surely, 2^23132440443 is an apocalyptic number.

23132440443 is a deficient number, since it is larger than the sum of its proper divisors (12116992645).

23132440443 is a wasteful number, since it uses less digits than its factorization.

23132440443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101544793.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 23132440443 its reverse (34404423132), we get a palindrome (57536863575).

The spelling of 23132440443 in words is "twenty-three billion, one hundred thirty-two million, four hundred forty thousand, four hundred forty-three".