43020231023 has 16 divisors (see below), whose sum is σ = 53701989120. Its totient is φ = 33480772800.

The previous prime is 43020231013. The next prime is 43020231031. The reversal of 43020231023 is 32013202034.

It is a cyclic number.

It is not a de Polignac number, because 43020231023 - 2¹⁰ = 43020229999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43020230986 and 43020231004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43020231013) 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, 283013 + ... + 407598.

It is an arithmetic number, because the mean of its divisors is an integer number (3356374320).

Almost surely, 2^43020231023 is an apocalyptic number.

43020231023 is a deficient number, since it is larger than the sum of its proper divisors (10681758097).

43020231023 is a wasteful number, since it uses less digits than its factorization.

43020231023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691438.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 43020231023 its reverse (32013202034), we get a palindrome (75033433057).

The spelling of 43020231023 in words is "forty-three billion, twenty million, two hundred thirty-one thousand, twenty-three".