1423040011423 has 8 divisors (see below), whose sum is σ = 1438724487200. Its totient is φ = 1407391469568.

The previous prime is 1423040011417. The next prime is 1423040011429. The reversal of 1423040011423 is 3241100403241.

It is an interprime number because it is at equal distance from previous prime (1423040011417) and next prime (1423040011429).

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-1423040011423 is a prime.

It is a super-2 number, since 2×1423040011423² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423040011429) 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, 8903838 + ... + 9062251.

It is an arithmetic number, because the mean of its divisors is an integer number (179840560900).

Almost surely, 2^{1423040011423} is an apocalyptic number.

1423040011423 is a deficient number, since it is larger than the sum of its proper divisors (15684475777).

1423040011423 is a wasteful number, since it uses less digits than its factorization.

1423040011423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17966961.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1423040011423 its reverse (3241100403241), we get a palindrome (4664140414664).

The spelling of 1423040011423 in words is "one trillion, four hundred twenty-three billion, forty million, eleven thousand, four hundred twenty-three".