123013399997 has 2 divisors, whose sum is σ = 123013399998. Its totient is φ = 123013399996.

The previous prime is 123013399981. The next prime is 123013400051. The reversal of 123013399997 is 799993310321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114994913881 + 8018486116 = 339109^2 + 89546^2 .

It is a cyclic number.

It is not a de Polignac number, because 123013399997 - 2⁴ = 123013399981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123013399097) 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 as a sum of consecutive naturals, namely, 61506699998 + 61506699999.

It is an arithmetic number, because the mean of its divisors is an integer number (61506699999).

Almost surely, 2^123013399997 is an apocalyptic number.

It is an amenable number.

123013399997 is a deficient number, since it is larger than the sum of its proper divisors (1).

123013399997 is an equidigital number, since it uses as much as digits as its factorization.

123013399997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2480058, while the sum is 56.

The spelling of 123013399997 in words is "one hundred twenty-three billion, thirteen million, three hundred ninety-nine thousand, nine hundred ninety-seven".