123365448 has 48 divisors (see below), whose sum is σ = 334776780. Its totient is φ = 41040384.

The previous prime is 123365441. The next prime is 123365479. The reversal of 123365448 is 844563321.

It is a Cunningham number, because it is equal to 11107²-1.

It can be written as a sum of positive squares in 2 ways, for example, as 95296644 + 28068804 = 9762^2 + 5298^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 43036 + ... + 45812.

Almost surely, 2^123365448 is an apocalyptic number.

123365448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

123365448 is an abundant number, since it is smaller than the sum of its proper divisors (211411332).

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

123365448 is a wasteful number, since it uses less digits than its factorization.

123365448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406 (or 3399 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 123365448 is about 11106.9999549833. Note that the first 4 decimals coincide. The cubic root of 123365448 is about 497.8110281225.

The spelling of 123365448 in words is "one hundred twenty-three million, three hundred sixty-five thousand, four hundred forty-eight".