23123011043 has 8 divisors (see below), whose sum is σ = 25231074096. Its totient is φ = 21015943200.

The previous prime is 23123011033. The next prime is 23123011133. The reversal of 23123011043 is 34011032132.

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 23123011043 - 2²⁶ = 23055902179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23123011013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199796 + ... + 293537.

It is an arithmetic number, because the mean of its divisors is an integer number (3153884262).

Almost surely, 2^23123011043 is an apocalyptic number.

23123011043 is a deficient number, since it is larger than the sum of its proper divisors (2108063053).

23123011043 is a wasteful number, since it uses less digits than its factorization.

23123011043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497605.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23123011043 its reverse (34011032132), we get a palindrome (57134043175).

The spelling of 23123011043 in words is "twenty-three billion, one hundred twenty-three million, eleven thousand, forty-three".