11523022004 has 24 divisors (see below), whose sum is σ = 21860297088. Its totient is φ = 5283093600.

The previous prime is 11523021953. The next prime is 11523022031. The reversal of 11523022004 is 40022032511.

It is a super-2 number, since 2×11523022004² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725912 + ... + 741615.

It is an arithmetic number, because the mean of its divisors is an integer number (910845712).

Almost surely, 2^11523022004 is an apocalyptic number.

It is an amenable number.

11523022004 is a deficient number, since it is larger than the sum of its proper divisors (10337275084).

11523022004 is a wasteful number, since it uses less digits than its factorization.

11523022004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467695 (or 1467693 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 11523022004 its reverse (40022032511), we get a palindrome (51545054515).

The spelling of 11523022004 in words is "eleven billion, five hundred twenty-three million, twenty-two thousand, four".