20232331133 has 48 divisors (see below), whose sum is σ = 25701590016. Its totient is φ = 15831002880.

The previous prime is 20232331123. The next prime is 20232331169. The reversal of 20232331133 is 33113323202.

It is not a de Polignac number, because 20232331133 - 2⁴ = 20232331117 is a prime.

It is a super-2 number, since 2×20232331133² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20232331099 and 20232331108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232331123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2546435 + ... + 2554367.

It is an arithmetic number, because the mean of its divisors is an integer number (535449792).

Almost surely, 2^20232331133 is an apocalyptic number.

20232331133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20232331133 is a deficient number, since it is larger than the sum of its proper divisors (5469258883).

20232331133 is a wasteful number, since it uses less digits than its factorization.

20232331133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8074 (or 8067 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20232331133 its reverse (33113323202), we get a palindrome (53345654335).

The spelling of 20232331133 in words is "twenty billion, two hundred thirty-two million, three hundred thirty-one thousand, one hundred thirty-three".