123365444 has 24 divisors (see below), whose sum is σ = 218295000. Its totient is φ = 60999680.

The previous prime is 123365441. The next prime is 123365479. The reversal of 123365444 is 444563321.

It can be written as a sum of positive squares in 4 ways, for example, as 2365444 + 121000000 = 1538^2 + 11000^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123365444.

It is not an unprimeable number, because it can be changed into a prime (123365441) 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, 267374 + ... + 267834.

It is an arithmetic number, because the mean of its divisors is an integer number (9095625).

Almost surely, 2^123365444 is an apocalyptic number.

It is an amenable number.

123365444 is a deficient number, since it is larger than the sum of its proper divisors (94929556).

123365444 is a wasteful number, since it uses less digits than its factorization.

123365444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063 (or 1061 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 123365444 is about 11106.9997749167. Note that the first 3 decimals coincide. The cubic root of 123365444 is about 497.8110227421.

The spelling of 123365444 in words is "one hundred twenty-three million, three hundred sixty-five thousand, four hundred forty-four".