43011122023 has 4 divisors (see below), whose sum is σ = 43027155688. Its totient is φ = 42995088360.

The previous prime is 43011122003. The next prime is 43011122029. The reversal of 43011122023 is 32022111034.

It is a happy number.

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 43011122023 - 2⁵ = 43011121991 is a prime.

It is a super-2 number, since 2×43011122023² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43011122029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8012808 + ... + 8018173.

It is an arithmetic number, because the mean of its divisors is an integer number (10756788922).

Almost surely, 2^43011122023 is an apocalyptic number.

43011122023 is a deficient number, since it is larger than the sum of its proper divisors (16033665).

43011122023 is a wasteful number, since it uses less digits than its factorization.

43011122023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16033664.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 43011122023 its reverse (32022111034), we get a palindrome (75033233057).

The spelling of 43011122023 in words is "forty-three billion, eleven million, one hundred twenty-two thousand, twenty-three".