223021545355 has 32 divisors (see below), whose sum is σ = 308717568000. Its totient is φ = 151504720512.

The previous prime is 223021545347. The next prime is 223021545377. The reversal of 223021545355 is 553545120322.

It is a cyclic number.

It is not a de Polignac number, because 223021545355 - 2³ = 223021545347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1941516 + ... + 2053174.

It is an arithmetic number, because the mean of its divisors is an integer number (9647424000).

Almost surely, 2^223021545355 is an apocalyptic number.

223021545355 is a deficient number, since it is larger than the sum of its proper divisors (85696022645).

223021545355 is a wasteful number, since it uses less digits than its factorization.

223021545355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112203.

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 223021545355 its reverse (553545120322), we get a palindrome (776566665677).

The spelling of 223021545355 in words is "two hundred twenty-three billion, twenty-one million, five hundred forty-five thousand, three hundred fifty-five".