1105023000 has 128 divisors (see below), whose sum is σ = 3461065920. Its totient is φ = 293529600.

The previous prime is 1105022981. The next prime is 1105023013. The reversal of 1105023000 is 3205011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1010454 + ... + 1011546.

Almost surely, 2^1105023000 is an apocalyptic number.

1105023000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1105023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1730532960).

1105023000 is an abundant number, since it is smaller than the sum of its proper divisors (2356042920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1105023000 is a wasteful number, since it uses less digits than its factorization.

1105023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1440 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1105023000 is about 33241.8862280708. The cubic root of 1105023000 is about 1033.8489853246.

Adding to 1105023000 its reverse (3205011), we get a palindrome (1108228011).

The spelling of 1105023000 in words is "one billion, one hundred five million, twenty-three thousand".