123130013133 has 16 divisors (see below), whose sum is σ = 182979587520. Its totient is φ = 73191833856.

The previous prime is 123130013129. The next prime is 123130013137. The reversal of 123130013133 is 331310031321.

It is an interprime number because it is at equal distance from previous prime (123130013129) and next prime (123130013137).

It is not a de Polignac number, because 123130013133 - 2² = 123130013129 is a prime.

It is a super-2 number, since 2×123130013133² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123130013137) 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, 63533610 + ... + 63535547.

It is an arithmetic number, because the mean of its divisors is an integer number (11436224220).

Almost surely, 2^123130013133 is an apocalyptic number.

It is an amenable number.

123130013133 is a deficient number, since it is larger than the sum of its proper divisors (59849574387).

123130013133 is a wasteful number, since it uses less digits than its factorization.

123130013133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127069196.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 123130013133 its reverse (331310031321), we get a palindrome (454440044454).

The spelling of 123130013133 in words is "one hundred twenty-three billion, one hundred thirty million, thirteen thousand, one hundred thirty-three".