100423320111 has 24 divisors (see below), whose sum is σ = 148661328816. Its totient is φ = 65286322560.

The previous prime is 100423320083. The next prime is 100423320133. The reversal of 100423320111 is 111023324001.

100423320111 is a `hidden beast` number, since 100 + 423 + 32 + 0 + 111 = 666.

It is not a de Polignac number, because 100423320111 - 2¹⁸ = 100423057967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100423320181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 767001 + ... + 888333.

It is an arithmetic number, because the mean of its divisors is an integer number (6194222034).

Almost surely, 2^100423320111 is an apocalyptic number.

100423320111 is a deficient number, since it is larger than the sum of its proper divisors (48238008705).

100423320111 is a wasteful number, since it uses less digits than its factorization.

100423320111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123623 (or 123620 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 100423320111 its reverse (111023324001), we get a palindrome (211446644112).

The spelling of 100423320111 in words is "one hundred billion, four hundred twenty-three million, three hundred twenty thousand, one hundred eleven".