1100023001 has 48 divisors (see below), whose sum is σ = 1474485120. Its totient is φ = 809867520.

The previous prime is 1100022997. The next prime is 1100023007. The reversal of 1100023001 is 1003200011.

It is not a de Polignac number, because 1100023001 - 2² = 1100022997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100023001.

It is not an unprimeable number, because it can be changed into a prime (1100023007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1102835 + ... + 1103831.

It is an arithmetic number, because the mean of its divisors is an integer number (30718440).

Almost surely, 2^1100023001 is an apocalyptic number.

1100023001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100023001 is a deficient number, since it is larger than the sum of its proper divisors (374462119).

1100023001 is a wasteful number, since it uses less digits than its factorization.

1100023001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1127 counting only the distinct ones).

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

The square root of 1100023001 is about 33166.5946548632. The cubic root of 1100023001 is about 1032.2873103986.

Adding to 1100023001 its reverse (1003200011), we get a palindrome (2103223012).

The spelling of 1100023001 in words is "one billion, one hundred million, twenty-three thousand, one".