108278623 has 2 divisors, whose sum is σ = 108278624. Its totient is φ = 108278622.

The previous prime is 108278609. The next prime is 108278657. The reversal of 108278623 is 326872801.

It is a weak prime.

It is an emirp because it is prime and its reverse (326872801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108278623 is a prime.

It is a super-2 number, since 2×108278623² = 23448520397552258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108278603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54139311 + 54139312.

It is an arithmetic number, because the mean of its divisors is an integer number (54139312).

Almost surely, 2^108278623 is an apocalyptic number.

108278623 is a deficient number, since it is larger than the sum of its proper divisors (1).

108278623 is an equidigital number, since it uses as much as digits as its factorization.

108278623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 108278623 is about 10405.7014660233. The cubic root of 108278623 is about 476.6294884093.

The spelling of 108278623 in words is "one hundred eight million, two hundred seventy-eight thousand, six hundred twenty-three".