100123232002 has 4 divisors (see below), whose sum is σ = 150184848006. Its totient is φ = 50061616000.

The previous prime is 100123231997. The next prime is 100123232003. The reversal of 100123232002 is 200232321001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200232321001 = 23 ⋅8705753087.

It can be written as a sum of positive squares in only one way, i.e., 56392475841 + 43730756161 = 237471^2 + 209119^2 .

It is not an unprimeable number, because it can be changed into a prime (100123232003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25030807999 + ... + 25030808002.

Almost surely, 2^100123232002 is an apocalyptic number.

100123232002 is a deficient number, since it is larger than the sum of its proper divisors (50061616004).

100123232002 is an equidigital number, since it uses as much as digits as its factorization.

100123232002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50061616003.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 100123232002 its reverse (200232321001), we get a palindrome (300355553003).

The spelling of 100123232002 in words is "one hundred billion, one hundred twenty-three million, two hundred thirty-two thousand, two".