123310020133 has 16 divisors (see below), whose sum is σ = 125075059200. Its totient is φ = 121558961520.

The previous prime is 123310020131. The next prime is 123310020167. The reversal of 123310020133 is 331020013321.

It is a cyclic number.

It is not a de Polignac number, because 123310020133 - 2¹ = 123310020131 is a prime.

It is a super-2 number, since 2×123310020133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123310020133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123310020131) 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, 35320518 + ... + 35324008.

It is an arithmetic number, because the mean of its divisors is an integer number (7817191200).

Almost surely, 2^123310020133 is an apocalyptic number.

It is an amenable number.

123310020133 is a deficient number, since it is larger than the sum of its proper divisors (1765039067).

123310020133 is a wasteful number, since it uses less digits than its factorization.

123310020133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123310020133 its reverse (331020013321), we get a palindrome (454330033454).

The spelling of 123310020133 in words is "one hundred twenty-three billion, three hundred ten million, twenty thousand, one hundred thirty-three".