1100023430 has 64 divisors (see below), whose sum is σ = 2288390400. Its totient is φ = 376513920.

The previous prime is 1100023423. The next prime is 1100023439. The reversal of 1100023430 is 343200011.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100023439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 339056 + ... + 342284.

It is an arithmetic number, because the mean of its divisors is an integer number (35756100).

Almost surely, 2^1100023430 is an apocalyptic number.

1100023430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100023430 is an abundant number, since it is smaller than the sum of its proper divisors (1188366970).

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

1100023430 is a wasteful number, since it uses less digits than its factorization.

1100023430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1100023430 is about 33166.6011222133. The cubic root of 1100023430 is about 1032.2874445932.

Adding to 1100023430 its reverse (343200011), we get a palindrome (1443223441).

The spelling of 1100023430 in words is "one billion, one hundred million, twenty-three thousand, four hundred thirty".