100123311 has 16 divisors (see below), whose sum is σ = 135311616. Its totient is φ = 65847936.

The previous prime is 100123297. The next prime is 100123321. The reversal of 100123311 is 113321001.

It is not a de Polignac number, because 100123311 - 2¹⁷ = 99992239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100123321) 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, 88596 + ... + 89718.

It is an arithmetic number, because the mean of its divisors is an integer number (8456976).

Almost surely, 2^100123311 is an apocalyptic number.

100123311 is a deficient number, since it is larger than the sum of its proper divisors (35188305).

100123311 is a wasteful number, since it uses less digits than its factorization.

100123311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 100123311 is about 10006.1636504706. The cubic root of 100123311 is about 464.3495913150.

Adding to 100123311 its reverse (113321001), we get a palindrome (213444312).

The spelling of 100123311 in words is "one hundred million, one hundred twenty-three thousand, three hundred eleven".