11423013340 has 12 divisors (see below), whose sum is σ = 23988328056. Its totient is φ = 4569205328.

The previous prime is 11423013317. The next prime is 11423013341. The reversal of 11423013340 is 4331032411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423013341) 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, 285575314 + ... + 285575353.

It is an arithmetic number, because the mean of its divisors is an integer number (1999027338).

Almost surely, 2^11423013340 is an apocalyptic number.

11423013340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11423013340 is an abundant number, since it is smaller than the sum of its proper divisors (12565314716).

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

11423013340 is a wasteful number, since it uses less digits than its factorization.

11423013340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571150676 (or 571150674 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11423013340 its reverse (4331032411), we get a palindrome (15754045751).

The spelling of 11423013340 in words is "eleven billion, four hundred twenty-three million, thirteen thousand, three hundred forty".