11403423340 has 12 divisors (see below), whose sum is σ = 23947189056. Its totient is φ = 4561369328.

The previous prime is 11403423337. The next prime is 11403423341. The reversal of 11403423340 is 4332430411.

It is not an unprimeable number, because it can be changed into a prime (11403423341) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 285085564 + ... + 285085603.

It is an arithmetic number, because the mean of its divisors is an integer number (1995599088).

Almost surely, 2^11403423340 is an apocalyptic number.

11403423340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11403423340 is an abundant number, since it is smaller than the sum of its proper divisors (12543765716).

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

11403423340 is a wasteful number, since it uses less digits than its factorization.

11403423340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570171176 (or 570171174 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 11403423340 its reverse (4332430411), we get a palindrome (15735853751).

The spelling of 11403423340 in words is "eleven billion, four hundred three million, four hundred twenty-three thousand, three hundred forty".