123765448 has 8 divisors (see below), whose sum is σ = 232060230. Its totient is φ = 61882720.

The previous prime is 123765443. The next prime is 123765451. The reversal of 123765448 is 844567321.

It can be written as a sum of positive squares in only one way, i.e., 123698884 + 66564 = 11122^2 + 258^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×123765448² = 30635772237281408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123765448.

It is not an unprimeable number, because it can be changed into a prime (123765443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7735333 + ... + 7735348.

Almost surely, 2^123765448 is an apocalyptic number.

It is an amenable number.

123765448 is a deficient number, since it is larger than the sum of its proper divisors (108294782).

123765448 is a wasteful number, since it uses less digits than its factorization.

123765448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15470687 (or 15470683 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 123765448 is about 11124.9920449410. The cubic root of 123765448 is about 498.3484816470.

The spelling of 123765448 in words is "one hundred twenty-three million, seven hundred sixty-five thousand, four hundred forty-eight".