123031032133 has 2 divisors, whose sum is σ = 123031032134. Its totient is φ = 123031032132.

The previous prime is 123031032119. The next prime is 123031032151. The reversal of 123031032133 is 331230130321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111845431489 + 11185600644 = 334433^2 + 105762^2 .

It is a cyclic number.

It is not a de Polignac number, because 123031032133 - 2³³ = 114441097541 is a prime.

It is a super-2 number, since 2×123031032133² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123031032233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61515516066 + 61515516067.

It is an arithmetic number, because the mean of its divisors is an integer number (61515516067).

Almost surely, 2^123031032133 is an apocalyptic number.

It is an amenable number.

123031032133 is a deficient number, since it is larger than the sum of its proper divisors (1).

123031032133 is an equidigital number, since it uses as much as digits as its factorization.

123031032133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 123031032133 its reverse (331230130321), we get a palindrome (454261162454).

The spelling of 123031032133 in words is "one hundred twenty-three billion, thirty-one million, thirty-two thousand, one hundred thirty-three".