123130023224 has 32 divisors (see below), whose sum is σ = 249254281920. Its totient is φ = 56686075776.

The previous prime is 123130023221. The next prime is 123130023227. The reversal of 123130023224 is 422320031321.

It is an interprime number because it is at equal distance from previous prime (123130023221) and next prime (123130023227).

It is a super-2 number, since 2×123130023224² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123130023224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123130023221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1449824 + ... + 1532399.

It is an arithmetic number, because the mean of its divisors is an integer number (7789196310).

Almost surely, 2^123130023224 is an apocalyptic number.

It is an amenable number.

123130023224 is an abundant number, since it is smaller than the sum of its proper divisors (126124258696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123130023224 is a wasteful number, since it uses less digits than its factorization.

123130023224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982639 (or 2982635 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 123130023224 its reverse (422320031321), we get a palindrome (545450054545).

The spelling of 123130023224 in words is "one hundred twenty-three billion, one hundred thirty million, twenty-three thousand, two hundred twenty-four".