108731623 has 32 divisors (see below), whose sum is σ = 153699840. Its totient is φ = 74079360.

The previous prime is 108731621. The next prime is 108731647. The reversal of 108731623 is 326137801.

It is a cyclic number.

It is not a de Polignac number, because 108731623 - 2¹ = 108731621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108731621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16161 + ... + 21877.

It is an arithmetic number, because the mean of its divisors is an integer number (4803120).

Almost surely, 2^108731623 is an apocalyptic number.

108731623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

108731623 is a deficient number, since it is larger than the sum of its proper divisors (44968217).

108731623 is a wasteful number, since it uses less digits than its factorization.

108731623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5767.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 108731623 is about 10427.4456603715. The cubic root of 108731623 is about 477.2932474794.

The spelling of 108731623 in words is "one hundred eight million, seven hundred thirty-one thousand, six hundred twenty-three".