11757531323 has 4 divisors (see below), whose sum is σ = 12030962328. Its totient is φ = 11484100320.

The previous prime is 11757531307. The next prime is 11757531361. The reversal of 11757531323 is 32313575711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32313575711 = 113 ⋅285960847.

It is a cyclic number.

It is not a de Polignac number, because 11757531323 - 2⁴ = 11757531307 is a prime.

It is a super-2 number, since 2×11757531323² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11757531223) 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, 136715438 + ... + 136715523.

It is an arithmetic number, because the mean of its divisors is an integer number (3007740582).

Almost surely, 2^11757531323 is an apocalyptic number.

11757531323 is a deficient number, since it is larger than the sum of its proper divisors (273431005).

11757531323 is an equidigital number, since it uses as much as digits as its factorization.

11757531323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273431004.

The product of its digits is 66150, while the sum is 38.

The spelling of 11757531323 in words is "eleven billion, seven hundred fifty-seven million, five hundred thirty-one thousand, three hundred twenty-three".