102123203392 has 42 divisors (see below), whose sum is σ = 235736572722. Its totient is φ = 43767085824.

The previous prime is 102123203387. The next prime is 102123203401. The reversal of 102123203392 is 293302321201.

It can be written as a sum of positive squares in only one way, i.e., 85156577856 + 16966625536 = 291816^2 + 130256^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 102123203392.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16279263 + ... + 16285534.

It is an arithmetic number, because the mean of its divisors is an integer number (5612775541).

Almost surely, 2^102123203392 is an apocalyptic number.

It is an amenable number.

102123203392 is an abundant number, since it is smaller than the sum of its proper divisors (133613369330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102123203392 is an equidigital number, since it uses as much as digits as its factorization.

102123203392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32564823 (or 32564806 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 102123203392 its reverse (293302321201), we get a palindrome (395425524593).

The spelling of 102123203392 in words is "one hundred two billion, one hundred twenty-three million, two hundred three thousand, three hundred ninety-two".