223751465280 has 672 divisors, whose sum is σ = 901548071424. Its totient is φ = 49876549632.

The previous prime is 223751465257. The next prime is 223751465297. The reversal of 223751465280 is 82564157322.

223751465280 is a `hidden beast` number, since 2 + 2 + 3 + 7 + 514 + 6 + 52 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 210490029 + ... + 210491091.

It is an arithmetic number, because the mean of its divisors is an integer number (1341589392).

Almost surely, 2^223751465280 is an apocalyptic number.

223751465280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223751465280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450774035712).

223751465280 is an abundant number, since it is smaller than the sum of its proper divisors (677796606144).

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

223751465280 is a wasteful number, since it uses less digits than its factorization.

223751465280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343 (or 1330 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 223751465280 in words is "two hundred twenty-three billion, seven hundred fifty-one million, four hundred sixty-five thousand, two hundred eighty".