102489029823 has 16 divisors (see below), whose sum is σ = 140364804320. Its totient is φ = 66470150016.

The previous prime is 102489029813. The next prime is 102489029843. The reversal of 102489029823 is 328920984201.

It is not a de Polignac number, because 102489029823 - 2¹³ = 102489021631 is a prime.

It is a super-2 number, since 2×102489029823² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102489029813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 791061 + ... + 911457.

It is an arithmetic number, because the mean of its divisors is an integer number (8772800270).

Almost surely, 2^102489029823 is an apocalyptic number.

102489029823 is a deficient number, since it is larger than the sum of its proper divisors (37875774497).

102489029823 is a wasteful number, since it uses less digits than its factorization.

102489029823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128106.

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 102489029823 in words is "one hundred two billion, four hundred eighty-nine million, twenty-nine thousand, eight hundred twenty-three".