23031030043 has 16 divisors (see below), whose sum is σ = 27178491904. Its totient is φ = 19098283680.

The previous prime is 23031030017. The next prime is 23031030047. The reversal of 23031030043 is 34003013032.

It is not a de Polignac number, because 23031030043 - 2²¹ = 23028932891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23031030043.

It is not an unprimeable number, because it can be changed into a prime (23031030047) 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, 794521 + ... + 822997.

It is an arithmetic number, because the mean of its divisors is an integer number (1698655744).

Almost surely, 2^23031030043 is an apocalyptic number.

23031030043 is a deficient number, since it is larger than the sum of its proper divisors (4147461861).

23031030043 is a wasteful number, since it uses less digits than its factorization.

23031030043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32242.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 23031030043 its reverse (34003013032), we get a palindrome (57034043075).

The spelling of 23031030043 in words is "twenty-three billion, thirty-one million, thirty thousand, forty-three".