1113400423 has 8 divisors (see below), whose sum is σ = 1121076000. Its totient is φ = 1105746048.

The previous prime is 1113400373. The next prime is 1113400459. The reversal of 1113400423 is 3240043111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113400423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113400423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113401423) 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, 108315 + ... + 118147.

It is an arithmetic number, because the mean of its divisors is an integer number (140134500).

Almost surely, 2^1113400423 is an apocalyptic number.

1113400423 is a deficient number, since it is larger than the sum of its proper divisors (7675577).

1113400423 is an equidigital number, since it uses as much as digits as its factorization.

1113400423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10601.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1113400423 is about 33367.6553416628. The cubic root of 1113400423 is about 1036.4550230961.

Adding to 1113400423 its reverse (3240043111), we get a palindrome (4353443534).

The spelling of 1113400423 in words is "one billion, one hundred thirteen million, four hundred thousand, four hundred twenty-three".