623215222512343 has 2 divisors, whose sum is σ = 623215222512344. Its totient is φ = 623215222512342.

The previous prime is 623215222512271. The next prime is 623215222512353. The reversal of 623215222512343 is 343215222512326.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-623215222512343 is a prime.

It is a super-2 number, since 2×623215222512343² (a number of 30 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 623215222512343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623215222512353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311607611256171 + 311607611256172.

It is an arithmetic number, because the mean of its divisors is an integer number (311607611256172).

Almost surely, 2^{623215222512343} is an apocalyptic number.

623215222512343 is a deficient number, since it is larger than the sum of its proper divisors (1).

623215222512343 is an equidigital number, since it uses as much as digits as its factorization.

623215222512343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 43.

The spelling of 623215222512343 in words is "six hundred twenty-three trillion, two hundred fifteen billion, two hundred twenty-two million, five hundred twelve thousand, three hundred forty-three".