123001131133 has 2 divisors, whose sum is σ = 123001131134. Its totient is φ = 123001131132.

The previous prime is 123001131119. The next prime is 123001131161. The reversal of 123001131133 is 331131100321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84177157689 + 38823973444 = 290133^2 + 197038^2 .

It is a cyclic number.

It is not a de Polignac number, because 123001131133 - 2³³ = 114411196541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123001131133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123001131833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61500565566 + 61500565567.

It is an arithmetic number, because the mean of its divisors is an integer number (61500565567).

Almost surely, 2^123001131133 is an apocalyptic number.

It is an amenable number.

123001131133 is a deficient number, since it is larger than the sum of its proper divisors (1).

123001131133 is an equidigital number, since it uses as much as digits as its factorization.

123001131133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 123001131133 its reverse (331131100321), we get a palindrome (454132231454).

The spelling of 123001131133 in words is "one hundred twenty-three billion, one million, one hundred thirty-one thousand, one hundred thirty-three".