123203023133 has 2 divisors, whose sum is σ = 123203023134. Its totient is φ = 123203023132.

The previous prime is 123203023127. The next prime is 123203023157. The reversal of 123203023133 is 331320302321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93659257444 + 29543765689 = 306038^2 + 171883^2 .

It is a cyclic number.

It is not a de Polignac number, because 123203023133 - 2²² = 123198828829 is a prime.

It is a super-2 number, since 2×123203023133² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123203023099 and 123203023108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123203023733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61601511566 + 61601511567.

It is an arithmetic number, because the mean of its divisors is an integer number (61601511567).

Almost surely, 2^123203023133 is an apocalyptic number.

It is an amenable number.

123203023133 is a deficient number, since it is larger than the sum of its proper divisors (1).

123203023133 is an equidigital number, since it uses as much as digits as its factorization.

123203023133 is an evil number, because the sum of its binary digits is even.

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

Adding to 123203023133 its reverse (331320302321), we get a palindrome (454523325454).

The spelling of 123203023133 in words is "one hundred twenty-three billion, two hundred three million, twenty-three thousand, one hundred thirty-three".