223746840000 has 1120 divisors, whose sum is σ = 874496071680. Its totient is φ = 55987200000.

The previous prime is 223746839929. The next prime is 223746840013. The reversal of 223746840000 is 48647322.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1372679919 + ... + 1372680081.

It is an arithmetic number, because the mean of its divisors is an integer number (780800064).

Almost surely, 2^223746840000 is an apocalyptic number.

223746840000 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 223746840000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437248035840).

223746840000 is an abundant number, since it is smaller than the sum of its proper divisors (650749231680).

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

223746840000 is a wasteful number, since it uses less digits than its factorization.

223746840000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 223746840000 in words is "two hundred twenty-three billion, seven hundred forty-six million, eight hundred forty thousand".