43143211023 has 32 divisors (see below), whose sum is σ = 66602630400. Its totient is φ = 24771178080.

The previous prime is 43143211019. The next prime is 43143211049. The reversal of 43143211023 is 32011234134.

It is a happy number.

It is not a de Polignac number, because 43143211023 - 2² = 43143211019 is a prime.

It is a super-2 number, since 2×43143211023² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43143210984 and 43143211002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43143211063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208468 + ... + 360201.

It is an arithmetic number, because the mean of its divisors is an integer number (2081332200).

Almost surely, 2^43143211023 is an apocalyptic number.

43143211023 is a deficient number, since it is larger than the sum of its proper divisors (23459419377).

43143211023 is a wasteful number, since it uses less digits than its factorization.

43143211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568724 (or 568702 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 43143211023 its reverse (32011234134), we get a palindrome (75154445157).

The spelling of 43143211023 in words is "forty-three billion, one hundred forty-three million, two hundred eleven thousand, twenty-three".