11200000023 has 12 divisors (see below), whose sum is σ = 16207688328. Its totient is φ = 7452861840.

The previous prime is 11199999953. The next prime is 11200000043. The reversal of 11200000023 is 32000000211.

It is a happy number.

It is not a de Polignac number, because 11200000023 - 2⁹ = 11199999511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11199999960 and 11200000014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200000043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1145265 + ... + 1155002.

It is an arithmetic number, because the mean of its divisors is an integer number (1350640694).

Almost surely, 2^11200000023 is an apocalyptic number.

11200000023 is a deficient number, since it is larger than the sum of its proper divisors (5007688305).

11200000023 is a wasteful number, since it uses less digits than its factorization.

11200000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300814 (or 2300811 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 11200000023 its reverse (32000000211), we get a palindrome (43200000234).

The spelling of 11200000023 in words is "eleven billion, two hundred million, twenty-three", and thus it is an aban number.