265223233056 has 96 divisors (see below), whose sum is σ = 719162273088. Its totient is φ = 85520931840.

The previous prime is 265223233043. The next prime is 265223233069. The reversal of 265223233056 is 650332322562.

It is an interprime number because it is at equal distance from previous prime (265223233043) and next prime (265223233069).

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398691 + ... + 830301.

It is an arithmetic number, because the mean of its divisors is an integer number (7491273678).

Almost surely, 2^265223233056 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 265223233056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359581136544).

265223233056 is an abundant number, since it is smaller than the sum of its proper divisors (453939040032).

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

265223233056 is a wasteful number, since it uses less digits than its factorization.

265223233056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431834 (or 431826 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 39.

The spelling of 265223233056 in words is "two hundred sixty-five billion, two hundred twenty-three million, two hundred thirty-three thousand, fifty-six".