23223145443143 has 16 divisors (see below), whose sum is σ = 24977207990880. Its totient is φ = 21524613986304.

The previous prime is 23223145443131. The next prime is 23223145443191. The reversal of 23223145443143 is 34134454132232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23223145443143 - 2⁶ = 23223145443079 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 23223145443143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223145443943) 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, 32309846 + ... + 33020787.

It is an arithmetic number, because the mean of its divisors is an integer number (1561075499430).

Almost surely, 2^{23223145443143} is an apocalyptic number.

23223145443143 is a deficient number, since it is larger than the sum of its proper divisors (1754062547737).

23223145443143 is a wasteful number, since it uses less digits than its factorization.

23223145443143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65331058.

The product of its digits is 829440, while the sum is 41.

Adding to 23223145443143 its reverse (34134454132232), we get a palindrome (57357599575375).

The spelling of 23223145443143 in words is "twenty-three trillion, two hundred twenty-three billion, one hundred forty-five million, four hundred forty-three thousand, one hundred forty-three".