11045123545023 has 12 divisors (see below), whose sum is σ = 15988674870168. Its totient is φ = 7347442991760.

The previous prime is 11045123545013. The next prime is 11045123545061. The reversal of 11045123545023 is 32054532154011.

11045123545023 is a `hidden beast` number, since 1 + 104 + 5 + 1 + 2 + 3 + 545 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 11045123545023 - 2⁴ = 11045123545007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11045123545003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1331054365 + ... + 1331062662.

It is an arithmetic number, because the mean of its divisors is an integer number (1332389572514).

Almost surely, 2^{11045123545023} is an apocalyptic number.

11045123545023 is a deficient number, since it is larger than the sum of its proper divisors (4943551325145).

11045123545023 is a wasteful number, since it uses less digits than its factorization.

11045123545023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662117494 (or 2662117491 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 11045123545023 its reverse (32054532154011), we get a palindrome (43099655699034).

The spelling of 11045123545023 in words is "eleven trillion, forty-five billion, one hundred twenty-three million, five hundred forty-five thousand, twenty-three".