23110045531 has 8 divisors (see below), whose sum is σ = 24470791200. Its totient is φ = 21749447808.

The previous prime is 23110045499. The next prime is 23110045561. The reversal of 23110045531 is 13554001132.

It is a happy number.

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 23110045531 - 2⁵ = 23110045499 is a prime.

It is a super-2 number, since 2×23110045531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23110045496 and 23110045505.

It is not an unprimeable number, because it can be changed into a prime (23110045561) 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, 560770 + ... + 600568.

It is an arithmetic number, because the mean of its divisors is an integer number (3058848900).

Almost surely, 2^23110045531 is an apocalyptic number.

23110045531 is a deficient number, since it is larger than the sum of its proper divisors (1360745669).

23110045531 is a wasteful number, since it uses less digits than its factorization.

23110045531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73973.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 23110045531 its reverse (13554001132), we get a palindrome (36664046663).

The spelling of 23110045531 in words is "twenty-three billion, one hundred ten million, forty-five thousand, five hundred thirty-one".