11278723 has 12 divisors (see below), whose sum is σ = 12039600. Its totient is φ = 10563696.

The previous prime is 11278721. The next prime is 11278733. The reversal of 11278723 is 32787211.

It is not a de Polignac number, because 11278723 - 2¹ = 11278721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11278721) 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, 56578 + ... + 56776.

It is an arithmetic number, because the mean of its divisors is an integer number (1003300).

Almost surely, 2^11278723 is an apocalyptic number.

11278723 is a deficient number, since it is larger than the sum of its proper divisors (760877).

11278723 is a wasteful number, since it uses less digits than its factorization.

11278723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 375 counting only the distinct ones).

The product of its digits is 4704, while the sum is 31.

The square root of 11278723 is about 3358.3810087600. The cubic root of 11278723 is about 224.2607706564.

The spelling of 11278723 in words is "eleven million, two hundred seventy-eight thousand, seven hundred twenty-three".