43130031023 has 4 divisors (see below), whose sum is σ = 43252212768. Its totient is φ = 43007849280.

The previous prime is 43130031017. The next prime is 43130031031. The reversal of 43130031023 is 32013003134.

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 43130031023 - 2³² = 38835063727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43130030986 and 43130031004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43130031523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61090343 + ... + 61091048.

It is an arithmetic number, because the mean of its divisors is an integer number (10813053192).

Almost surely, 2^43130031023 is an apocalyptic number.

43130031023 is a deficient number, since it is larger than the sum of its proper divisors (122181745).

43130031023 is a wasteful number, since it uses less digits than its factorization.

43130031023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122181744.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 43130031023 its reverse (32013003134), we get a palindrome (75143034157).

The spelling of 43130031023 in words is "forty-three billion, one hundred thirty million, thirty-one thousand, twenty-three".