123003232133 has 4 divisors (see below), whose sum is σ = 123627614220. Its totient is φ = 122378850048.

The previous prime is 123003232117. The next prime is 123003232147. The reversal of 123003232133 is 331232300321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77096741569 + 45906490564 = 277663^2 + 214258^2 .

It is a cyclic number.

It is not a de Polignac number, because 123003232133 - 2⁴ = 123003232117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123003232099 and 123003232108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123003232433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312190748 + ... + 312191141.

It is an arithmetic number, because the mean of its divisors is an integer number (30906903555).

Almost surely, 2^123003232133 is an apocalyptic number.

It is an amenable number.

123003232133 is a deficient number, since it is larger than the sum of its proper divisors (624382087).

123003232133 is an equidigital number, since it uses as much as digits as its factorization.

123003232133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624382086.

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

Adding to 123003232133 its reverse (331232300321), we get a palindrome (454235532454).

The spelling of 123003232133 in words is "one hundred twenty-three billion, three million, two hundred thirty-two thousand, one hundred thirty-three".