11415004423 has 4 divisors (see below), whose sum is σ = 11415245920. Its totient is φ = 11414762928.

The previous prime is 11415004361. The next prime is 11415004429. The reversal of 11415004423 is 32440051411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32440051411 = 134437 ⋅241303.

It is a cyclic number.

It is not a de Polignac number, because 11415004423 - 2¹³ = 11414996231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11415004429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24015 + ... + 152992.

It is an arithmetic number, because the mean of its divisors is an integer number (2853811480).

Almost surely, 2^11415004423 is an apocalyptic number.

11415004423 is a deficient number, since it is larger than the sum of its proper divisors (241497).

11415004423 is an equidigital number, since it uses as much as digits as its factorization.

11415004423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241496.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 11415004423 its reverse (32440051411), we get a palindrome (43855055834).

The spelling of 11415004423 in words is "eleven billion, four hundred fifteen million, four thousand, four hundred twenty-three".