123130020007 has 2 divisors, whose sum is σ = 123130020008. Its totient is φ = 123130020006.

The previous prime is 123130019989. The next prime is 123130020043. The reversal of 123130020007 is 700020031321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123130020007 - 2¹⁹ = 123129495719 is a prime.

It is a super-2 number, since 2×123130020007² (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 (123130023007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61565010003 + 61565010004.

It is an arithmetic number, because the mean of its divisors is an integer number (61565010004).

Almost surely, 2^123130020007 is an apocalyptic number.

123130020007 is a deficient number, since it is larger than the sum of its proper divisors (1).

123130020007 is an equidigital number, since it uses as much as digits as its factorization.

123130020007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 19.

Adding to 123130020007 its reverse (700020031321), we get a palindrome (823150051328).

The spelling of 123130020007 in words is "one hundred twenty-three billion, one hundred thirty million, twenty thousand, seven".