23261378 has 12 divisors (see below), whose sum is σ = 40588902. Its totient is φ = 9969120.

The previous prime is 23261369. The next prime is 23261383. The reversal of 23261378 is 87316232.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23261329 + 49 = 4823^2 + 7^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118583 + ... + 118778.

Almost surely, 2^23261378 is an apocalyptic number.

23261378 is a deficient number, since it is larger than the sum of its proper divisors (17327524).

23261378 is a wasteful number, since it uses less digits than its factorization.

23261378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237377 (or 237370 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 23261378 is about 4823.0050798232. The cubic root of 23261378 is about 285.4599242609.

The spelling of 23261378 in words is "twenty-three million, two hundred sixty-one thousand, three hundred seventy-eight".