7923002121113 has 2 divisors, whose sum is σ = 7923002121114. Its totient is φ = 7923002121112.

The previous prime is 7923002121109. The next prime is 7923002121191. The reversal of 7923002121113 is 3111212003297.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6995242101904 + 927760019209 = 2644852^2 + 963203^2 .

It is an emirp because it is prime and its reverse (3111212003297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7923002121113 - 2² = 7923002121109 is a prime.

It is a super-2 number, since 2×7923002121113² (a number of 27 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 7923002121113.

It is not a weakly prime, because it can be changed into another prime (7923002121613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3961501060556 + 3961501060557.

It is an arithmetic number, because the mean of its divisors is an integer number (3961501060557).

Almost surely, 2^{7923002121113} is an apocalyptic number.

It is an amenable number.

7923002121113 is a deficient number, since it is larger than the sum of its proper divisors (1).

7923002121113 is an equidigital number, since it uses as much as digits as its factorization.

7923002121113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 7923002121113 in words is "seven trillion, nine hundred twenty-three billion, two million, one hundred twenty-one thousand, one hundred thirteen".