102323652851818 has 16 divisors (see below), whose sum is σ = 154849389574536. Its totient is φ = 50707222594560.

The previous prime is 102323652851813. The next prime is 102323652851843. The reversal of 102323652851818 is 818158256323201.

It can be written as a sum of positive squares in 4 ways, for example, as 32240853678609 + 70082799173209 = 5678103^2 + 8371547^2 .

It is not an unprimeable number, because it can be changed into a prime (102323652851813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1995471 + ... + 14444002.

Almost surely, 2^{102323652851818} is an apocalyptic number.

102323652851818 is a deficient number, since it is larger than the sum of its proper divisors (52525736722718).

102323652851818 is a wasteful number, since it uses less digits than its factorization.

102323652851818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16467129.

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 102323652851818 in words is "one hundred two trillion, three hundred twenty-three billion, six hundred fifty-two million, eight hundred fifty-one thousand, eight hundred eighteen".