10623665204123 has 2 divisors, whose sum is σ = 10623665204124. Its totient is φ = 10623665204122.

The previous prime is 10623665204099. The next prime is 10623665204177. The reversal of 10623665204123 is 32140256632601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10623665204123 - 2³⁶ = 10554945727387 is a prime.

It is a super-2 number, since 2×10623665204123² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10623665200123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5311832602061 + 5311832602062.

It is an arithmetic number, because the mean of its divisors is an integer number (5311832602062).

Almost surely, 2^{10623665204123} is an apocalyptic number.

10623665204123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10623665204123 is an equidigital number, since it uses as much as digits as its factorization.

10623665204123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 10623665204123 in words is "ten trillion, six hundred twenty-three billion, six hundred sixty-five million, two hundred four thousand, one hundred twenty-three".