123365264 has 40 divisors (see below), whose sum is σ = 263099232. Its totient is φ = 55569920.

The previous prime is 123365257. The next prime is 123365267. The reversal of 123365264 is 462563321.

It is a self number, because there is not a number n which added to its sum of digits gives 123365264.

It is not an unprimeable number, because it can be changed into a prime (123365267) 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, 16787 + ... + 22989.

Almost surely, 2^123365264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123365264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131549616).

123365264 is an abundant number, since it is smaller than the sum of its proper divisors (139733968).

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

123365264 is a wasteful number, since it uses less digits than its factorization.

123365264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6335 (or 6329 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 123365264 is about 11106.9916719155. The cubic root of 123365264 is about 497.8107806267.

The spelling of 123365264 in words is "one hundred twenty-three million, three hundred sixty-five thousand, two hundred sixty-four".