1100100023 has 4 divisors (see below), whose sum is σ = 1200109128. Its totient is φ = 1000090920.

The previous prime is 1100099993. The next prime is 1100100041. The reversal of 1100100023 is 3200010011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1100100023 - 2¹⁰ = 1100098999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100100083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50004536 + ... + 50004557.

It is an arithmetic number, because the mean of its divisors is an integer number (300027282).

Almost surely, 2^1100100023 is an apocalyptic number.

1100100023 is a deficient number, since it is larger than the sum of its proper divisors (100009105).

1100100023 is a wasteful number, since it uses less digits than its factorization.

1100100023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100009104.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1100100023 is about 33167.7557727381. The cubic root of 1100100023 is about 1032.3114029184.

Adding to 1100100023 its reverse (3200010011), we get a palindrome (4300110034).

The spelling of 1100100023 in words is "one billion, one hundred million, one hundred thousand, twenty-three".