108187379623 has 2 divisors, whose sum is σ = 108187379624. Its totient is φ = 108187379622.

The previous prime is 108187379617. The next prime is 108187379693. The reversal of 108187379623 is 326973781801.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (326973781801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108187379623 is a prime.

It is a super-2 number, since 2×108187379623² (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 (108187379693) 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, 54093689811 + 54093689812.

It is an arithmetic number, because the mean of its divisors is an integer number (54093689812).

Almost surely, 2^108187379623 is an apocalyptic number.

108187379623 is a deficient number, since it is larger than the sum of its proper divisors (1).

108187379623 is an equidigital number, since it uses as much as digits as its factorization.

108187379623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 108187379623 in words is "one hundred eight billion, one hundred eighty-seven million, three hundred seventy-nine thousand, six hundred twenty-three".