43423011131 has 8 divisors (see below), whose sum is σ = 43578201744. Its totient is φ = 43267910400.

The previous prime is 43423011113. The next prime is 43423011169. The reversal of 43423011131 is 13111032434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43423011131 - 2⁶ = 43423011067 is a prime.

It is a super-2 number, since 2×43423011131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43423011097 and 43423011106.

It is not an unprimeable number, because it can be changed into a prime (43423010131) 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 7 ways as a sum of consecutive naturals, for example, 1033331 + ... + 1074531.

It is an arithmetic number, because the mean of its divisors is an integer number (5447275218).

Almost surely, 2^43423011131 is an apocalyptic number.

43423011131 is a deficient number, since it is larger than the sum of its proper divisors (155190613).

43423011131 is a wasteful number, since it uses less digits than its factorization.

43423011131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44941.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 43423011131 its reverse (13111032434), we get a palindrome (56534043565).

The spelling of 43423011131 in words is "forty-three billion, four hundred twenty-three million, eleven thousand, one hundred thirty-one".