23123232133 has 16 divisors (see below), whose sum is σ = 23546118960. Its totient is φ = 22704574464.

The previous prime is 23123232131. The next prime is 23123232233. The reversal of 23123232133 is 33123232132.

It can be written as a sum of positive squares in 8 ways, for example, as 1982653729 + 21140578404 = 44527^2 + 145398^2 .

It is a cyclic number.

It is not a de Polignac number, because 23123232133 - 2¹ = 23123232131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23123232098 and 23123232107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123232131) 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, 8160685 + ... + 8163517.

It is an arithmetic number, because the mean of its divisors is an integer number (1471632435).

Almost surely, 2^23123232133 is an apocalyptic number.

It is an amenable number.

23123232133 is a deficient number, since it is larger than the sum of its proper divisors (422886827).

23123232133 is a wasteful number, since it uses less digits than its factorization.

23123232133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528.

The product of its digits is 3888, while the sum is 25.

Adding to 23123232133 its reverse (33123232132), we get a palindrome (56246464265).

Subtracting 23123232133 from its reverse (33123232132), we obtain a palindrome (9999999999).

The spelling of 23123232133 in words is "twenty-three billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred thirty-three".