11504003023 has 4 divisors (see below), whose sum is σ = 11512054840. Its totient is φ = 11495951208.

The previous prime is 11504002973. The next prime is 11504003039. The reversal of 11504003023 is 32030040511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11504003023 - 2³³ = 2914068431 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 (11504000023) 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, 4023765 + ... + 4026622.

It is an arithmetic number, because the mean of its divisors is an integer number (2878013710).

Almost surely, 2^11504003023 is an apocalyptic number.

11504003023 is a deficient number, since it is larger than the sum of its proper divisors (8051817).

11504003023 is an equidigital number, since it uses as much as digits as its factorization.

11504003023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8051816.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 11504003023 its reverse (32030040511), we get a palindrome (43534043534).

The spelling of 11504003023 in words is "eleven billion, five hundred four million, three thousand, twenty-three".