1100400423 has 8 divisors (see below), whose sum is σ = 1467475200. Its totient is φ = 733462968.

The previous prime is 1100400421. The next prime is 1100400437. The reversal of 1100400423 is 3240040011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1100400423 - 2¹ = 1100400421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100400421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13893 + ... + 48926.

It is an arithmetic number, because the mean of its divisors is an integer number (183434400).

Almost surely, 2^1100400423 is an apocalyptic number.

1100400423 is a deficient number, since it is larger than the sum of its proper divisors (367074777).

1100400423 is an equidigital number, since it uses as much as digits as its factorization.

1100400423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68661.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1100400423 is about 33172.2839581480. The cubic root of 1100400423 is about 1032.4053574427.

Adding to 1100400423 its reverse (3240040011), we get a palindrome (4340440434).

The spelling of 1100400423 in words is "one billion, one hundred million, four hundred thousand, four hundred twenty-three".