11423402004 has 48 divisors (see below), whose sum is σ = 30467696000. Its totient is φ = 3263262336.

The previous prime is 11423401993. The next prime is 11423402033. The reversal of 11423402004 is 40020432411.

It is a super-2 number, since 2×11423402004² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 828882 + ... + 842550.

Almost surely, 2^11423402004 is an apocalyptic number.

11423402004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11423402004 is an abundant number, since it is smaller than the sum of its proper divisors (19044293996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11423402004 is a wasteful number, since it uses less digits than its factorization.

11423402004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23632 (or 23630 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 11423402004 its reverse (40020432411), we get a palindrome (51443834415).

The spelling of 11423402004 in words is "eleven billion, four hundred twenty-three million, four hundred two thousand, four".