23145414443 has 16 divisors (see below), whose sum is σ = 23463712800. Its totient is φ = 22829763840.

The previous prime is 23145414437. The next prime is 23145414451. The reversal of 23145414443 is 34441454132.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23145414443 - 2⁶ = 23145414379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23145414043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20869973 + ... + 20871081.

It is an arithmetic number, because the mean of its divisors is an integer number (1466482050).

Almost surely, 2^23145414443 is an apocalyptic number.

23145414443 is a deficient number, since it is larger than the sum of its proper divisors (318298357).

23145414443 is a wasteful number, since it uses less digits than its factorization.

23145414443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062.

The product of its digits is 92160, while the sum is 35.

Adding to 23145414443 its reverse (34441454132), we get a palindrome (57586868575).

The spelling of 23145414443 in words is "twenty-three billion, one hundred forty-five million, four hundred fourteen thousand, four hundred forty-three".