11540200723 has 4 divisors (see below), whose sum is σ = 11808577528. Its totient is φ = 11271823920.

The previous prime is 11540200699. The next prime is 11540200739. The reversal of 11540200723 is 32700204511.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-11540200723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11540200783) 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, 134188338 + ... + 134188423.

It is an arithmetic number, because the mean of its divisors is an integer number (2952144382).

Almost surely, 2^11540200723 is an apocalyptic number.

11540200723 is a deficient number, since it is larger than the sum of its proper divisors (268376805).

11540200723 is an equidigital number, since it uses as much as digits as its factorization.

11540200723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268376804.

The product of its (nonzero) digits is 1680, while the sum is 25.

The spelling of 11540200723 in words is "eleven billion, five hundred forty million, two hundred thousand, seven hundred twenty-three".