11723670 has 64 divisors (see below), whose sum is σ = 35735040. Its totient is φ = 2679264.

The previous prime is 11723603. The next prime is 11723681. The reversal of 11723670 is 7632711.

It is a super-4 number, since 4×11723670⁴ (a number of 29 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1212 + ... + 4991.

It is an arithmetic number, because the mean of its divisors is an integer number (558360).

Almost surely, 2^11723670 is an apocalyptic number.

11723670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11723670 is an abundant number, since it is smaller than the sum of its proper divisors (24011370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11723670 is a wasteful number, since it uses less digits than its factorization.

11723670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6226 (or 6220 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 11723670 is about 3423.9845209930. The cubic root of 11723670 is about 227.1718571527.

The spelling of 11723670 in words is "eleven million, seven hundred twenty-three thousand, six hundred seventy".