11523734377 has 4 divisors (see below), whose sum is σ = 11895467776. Its totient is φ = 11152000980.

The previous prime is 11523734363. The next prime is 11523734399. The reversal of 11523734377 is 77343732511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77343732511 = 29 ⋅2667025259.

It is a cyclic number.

It is not a de Polignac number, because 11523734377 - 2¹¹ = 11523732329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11523734357) 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, 185866653 + ... + 185866714.

It is an arithmetic number, because the mean of its divisors is an integer number (2973866944).

Almost surely, 2^11523734377 is an apocalyptic number.

It is an amenable number.

11523734377 is a deficient number, since it is larger than the sum of its proper divisors (371733399).

11523734377 is an equidigital number, since it uses as much as digits as its factorization.

11523734377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371733398.

The product of its digits is 370440, while the sum is 43.

The spelling of 11523734377 in words is "eleven billion, five hundred twenty-three million, seven hundred thirty-four thousand, three hundred seventy-seven".