102687131623 has 8 divisors (see below), whose sum is σ = 102786095216. Its totient is φ = 102588206400.

The previous prime is 102687131621. The next prime is 102687131641. The reversal of 102687131623 is 326131786201.

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 102687131623 - 2¹ = 102687131621 is a prime.

It is a super-2 number, since 2×102687131623² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102687131621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9234715 + ... + 9245827.

It is an arithmetic number, because the mean of its divisors is an integer number (12848261902).

Almost surely, 2^102687131623 is an apocalyptic number.

102687131623 is a deficient number, since it is larger than the sum of its proper divisors (98963593).

102687131623 is a wasteful number, since it uses less digits than its factorization.

102687131623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19185.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 102687131623 in words is "one hundred two billion, six hundred eighty-seven million, one hundred thirty-one thousand, six hundred twenty-three".