100123332231 has 32 divisors (see below), whose sum is σ = 146138549760. Its totient is φ = 60600760704.

The previous prime is 100123332227. The next prime is 100123332233. The reversal of 100123332231 is 132233321001.

It is not a de Polignac number, because 100123332231 - 2² = 100123332227 is a prime.

It is a super-2 number, since 2×100123332231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100123332198 and 100123332207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100123332233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1676950 + ... + 1735628.

It is an arithmetic number, because the mean of its divisors is an integer number (4566829680).

Almost surely, 2^100123332231 is an apocalyptic number.

100123332231 is a deficient number, since it is larger than the sum of its proper divisors (46015217529).

100123332231 is a wasteful number, since it uses less digits than its factorization.

100123332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59415.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 100123332231 its reverse (132233321001), we get a palindrome (232356653232).

The spelling of 100123332231 in words is "one hundred billion, one hundred twenty-three million, three hundred thirty-two thousand, two hundred thirty-one".