11655330023 has 4 divisors (see below), whose sum is σ = 11715720528. Its totient is φ = 11594939520.

The previous prime is 11655329957. The next prime is 11655330073. The reversal of 11655330023 is 32003355611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32003355611 = 98411 ⋅325201.

It is a cyclic number.

It is not a de Polignac number, because 11655330023 - 2¹⁰ = 11655328999 is a prime.

It is a super-3 number, since 3×11655330023³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11655330073) 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, 30194963 + ... + 30195348.

It is an arithmetic number, because the mean of its divisors is an integer number (2928930132).

Almost surely, 2^11655330023 is an apocalyptic number.

11655330023 is a deficient number, since it is larger than the sum of its proper divisors (60390505).

11655330023 is an equidigital number, since it uses as much as digits as its factorization.

11655330023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60390504.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 11655330023 its reverse (32003355611), we get a palindrome (43658685634).

The spelling of 11655330023 in words is "eleven billion, six hundred fifty-five million, three hundred thirty thousand, twenty-three".