11545923 has 8 divisors (see below), whose sum is σ = 15410368. Its totient is φ = 7689384.

The previous prime is 11545889. The next prime is 11545927. The reversal of 11545923 is 32954511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11545923 - 2²¹ = 9448771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11545927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4140 + ... + 6342.

It is an arithmetic number, because the mean of its divisors is an integer number (1926296).

Almost surely, 2^11545923 is an apocalyptic number.

11545923 is a deficient number, since it is larger than the sum of its proper divisors (3864445).

11545923 is a wasteful number, since it uses less digits than its factorization.

11545923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953.

The product of its digits is 5400, while the sum is 30.

The square root of 11545923 is about 3397.9292223353. The cubic root of 11545923 is about 226.0179261109.

The spelling of 11545923 in words is "eleven million, five hundred forty-five thousand, nine hundred twenty-three".