43013423123 has 8 divisors (see below), whose sum is σ = 48541794480. Its totient is φ = 37754728480.

The previous prime is 43013423119. The next prime is 43013423129. The reversal of 43013423123 is 32132431034.

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 43013423123 - 2² = 43013423119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43013423092 and 43013423101.

It is not an unprimeable number, because it can be changed into a prime (43013423129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67418840 + ... + 67419477.

It is an arithmetic number, because the mean of its divisors is an integer number (6067724310).

Almost surely, 2^43013423123 is an apocalyptic number.

43013423123 is a deficient number, since it is larger than the sum of its proper divisors (5528371357).

43013423123 is a wasteful number, since it uses less digits than its factorization.

43013423123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134838357.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 43013423123 its reverse (32132431034), we get a palindrome (75145854157).

The spelling of 43013423123 in words is "forty-three billion, thirteen million, four hundred twenty-three thousand, one hundred twenty-three".