11031401423 has 8 divisors (see below), whose sum is σ = 12634549248. Its totient is φ = 9435061944.

The previous prime is 11031401393. The next prime is 11031401453. The reversal of 11031401423 is 32410413011.

It is an interprime number because it is at equal distance from previous prime (11031401393) and next prime (11031401453).

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

It is not a de Polignac number, because 11031401423 - 2¹² = 11031397327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11031401395 and 11031401404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031401453) 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, 1698611 + ... + 1705092.

It is an arithmetic number, because the mean of its divisors is an integer number (1579318656).

Almost surely, 2^11031401423 is an apocalyptic number.

11031401423 is a deficient number, since it is larger than the sum of its proper divisors (1603147825).

11031401423 is an equidigital number, since it uses as much as digits as its factorization.

11031401423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404173.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11031401423 its reverse (32410413011), we get a palindrome (43441814434).

The spelling of 11031401423 in words is "eleven billion, thirty-one million, four hundred one thousand, four hundred twenty-three".