43012023011 has 16 divisors (see below), whose sum is σ = 45612523008. Its totient is φ = 40474896000.

The previous prime is 43012023007. The next prime is 43012023023. The reversal of 43012023011 is 11032021034.

43012023011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 43012023011 - 2² = 43012023007 is a prime.

It is a super-2 number, since 2×43012023011² (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 (43012023311) 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, 734411 + ... + 790811.

It is an arithmetic number, because the mean of its divisors is an integer number (2850782688).

Almost surely, 2^43012023011 is an apocalyptic number.

43012023011 is a deficient number, since it is larger than the sum of its proper divisors (2600499997).

43012023011 is a wasteful number, since it uses less digits than its factorization.

43012023011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56962.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 43012023011 its reverse (11032021034), we get a palindrome (54044044045).

The spelling of 43012023011 in words is "forty-three billion, twelve million, twenty-three thousand, eleven".