11274523 has 4 divisors (see below), whose sum is σ = 12141808. Its totient is φ = 10407240.

The previous prime is 11274521. The next prime is 11274551. The reversal of 11274523 is 32547211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32547211 = 89 ⋅365699.

It is a cyclic number.

It is not a de Polignac number, because 11274523 - 2¹ = 11274521 is a prime.

It is a super-2 number, since 2×11274523² = 254229737755058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11274521) 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, 433623 + ... + 433648.

It is an arithmetic number, because the mean of its divisors is an integer number (3035452).

Almost surely, 2^11274523 is an apocalyptic number.

11274523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11274523 is a deficient number, since it is larger than the sum of its proper divisors (867285).

11274523 is an equidigital number, since it uses as much as digits as its factorization.

11274523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867284.

The product of its digits is 1680, while the sum is 25.

The square root of 11274523 is about 3357.7556492395. The cubic root of 11274523 is about 224.2329302654.

The spelling of 11274523 in words is "eleven million, two hundred seventy-four thousand, five hundred twenty-three".