102518923 has 8 divisors (see below), whose sum is σ = 112973168. Its totient is φ = 92431584.

The previous prime is 102518921. The next prime is 102518929. The reversal of 102518923 is 329815201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102518923 - 2¹ = 102518921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102518921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91140 + ... + 92257.

It is an arithmetic number, because the mean of its divisors is an integer number (14121646).

Almost surely, 2^102518923 is an apocalyptic number.

102518923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102518923 is a deficient number, since it is larger than the sum of its proper divisors (10454245).

102518923 is a wasteful number, since it uses less digits than its factorization.

102518923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183453.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 102518923 is about 10125.1628628877. The cubic root of 102518923 is about 468.0238789652.

The spelling of 102518923 in words is "one hundred two million, five hundred eighteen thousand, nine hundred twenty-three".