223802881545 has 16 divisors (see below), whose sum is σ = 379148411520. Its totient is φ = 112340269824.

The previous prime is 223802881529. The next prime is 223802881559. The reversal of 223802881545 is 545188208322.

It is a happy number.

It is not a de Polignac number, because 223802881545 - 2⁴ = 223802881529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223802881494 and 223802881503.

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, 438828925 + ... + 438829434.

It is an arithmetic number, because the mean of its divisors is an integer number (23696775720).

Almost surely, 2^223802881545 is an apocalyptic number.

It is an amenable number.

223802881545 is a deficient number, since it is larger than the sum of its proper divisors (155345529975).

223802881545 is a wasteful number, since it uses less digits than its factorization.

223802881545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877658384.

The product of its (nonzero) digits is 1228800, while the sum is 48.

The spelling of 223802881545 in words is "two hundred twenty-three billion, eight hundred two million, eight hundred eighty-one thousand, five hundred forty-five".