223020534405 has 32 divisors (see below), whose sum is σ = 378169803648. Its totient is φ = 111844812800.

The previous prime is 223020534353. The next prime is 223020534413. The reversal of 223020534405 is 504435020322.

It is not a de Polignac number, because 223020534405 - 2¹⁰ = 223020533381 is a prime.

It is a congruent number.

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, 122616 + ... + 679025.

It is an arithmetic number, because the mean of its divisors is an integer number (11817806364).

Almost surely, 2^223020534405 is an apocalyptic number.

It is an amenable number.

223020534405 is a deficient number, since it is larger than the sum of its proper divisors (155149269243).

223020534405 is a wasteful number, since it uses less digits than its factorization.

223020534405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802757.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 223020534405 its reverse (504435020322), we get a palindrome (727455554727).

The spelling of 223020534405 in words is "two hundred twenty-three billion, twenty million, five hundred thirty-four thousand, four hundred five".