23231311033 has 8 divisors (see below), whose sum is σ = 26634896768. Its totient is φ = 19848932064.

The previous prime is 23231311031. The next prime is 23231311057. The reversal of 23231311033 is 33011313232.

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 23231311033 - 2¹ = 23231311031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23231310995 and 23231311013.

It is not an unprimeable number, because it can be changed into a prime (23231311031) 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, 5299341 + ... + 5303722.

It is an arithmetic number, because the mean of its divisors is an integer number (3329362096).

Almost surely, 2^23231311033 is an apocalyptic number.

It is an amenable number.

23231311033 is a deficient number, since it is larger than the sum of its proper divisors (3403585735).

23231311033 is a wasteful number, since it uses less digits than its factorization.

23231311033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10603383.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23231311033 its reverse (33011313232), we get a palindrome (56242624265).

The spelling of 23231311033 in words is "twenty-three billion, two hundred thirty-one million, three hundred eleven thousand, thirty-three".