23041400443 has 4 divisors (see below), whose sum is σ = 23217289128. Its totient is φ = 22865511760.

The previous prime is 23041400429. The next prime is 23041400521. The reversal of 23041400443 is 34400414032.

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 23041400443 - 2¹³ = 23041392251 is a prime.

It is a super-2 number, since 2×23041400443² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23041400413) 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, 87944146 + ... + 87944407.

It is an arithmetic number, because the mean of its divisors is an integer number (5804322282).

Almost surely, 2^23041400443 is an apocalyptic number.

23041400443 is a deficient number, since it is larger than the sum of its proper divisors (175888685).

23041400443 is a wasteful number, since it uses less digits than its factorization.

23041400443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175888684.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 23041400443 its reverse (34400414032), we get a palindrome (57441814475).

The spelling of 23041400443 in words is "twenty-three billion, forty-one million, four hundred thousand, four hundred forty-three".