100123031233 has 16 divisors (see below), whose sum is σ = 105220385280. Its totient is φ = 95089997376.

The previous prime is 100123031221. The next prime is 100123031249. The reversal of 100123031233 is 332130321001.

It is not a de Polignac number, because 100123031233 - 2¹⁷ = 100122900161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100123031233.

It is not an unprimeable number, because it can be changed into a prime (100123031033) 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, 1907091 + ... + 1958887.

It is an arithmetic number, because the mean of its divisors is an integer number (6576274080).

Almost surely, 2^100123031233 is an apocalyptic number.

It is an amenable number.

100123031233 is a deficient number, since it is larger than the sum of its proper divisors (5097354047).

100123031233 is a wasteful number, since it uses less digits than its factorization.

100123031233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52416.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 100123031233 its reverse (332130321001), we get a palindrome (432253352234).

The spelling of 100123031233 in words is "one hundred billion, one hundred twenty-three million, thirty-one thousand, two hundred thirty-three".