223330403421 has 32 divisors (see below), whose sum is σ = 351864060800. Its totient is φ = 139596618240.

The previous prime is 223330403393. The next prime is 223330403473. The reversal of 223330403421 is 124304033322.

223330403421 is a `hidden beast` number, since 2 + 233 + 3 + 0 + 4 + 0 + 3 + 421 = 666.

It is not a de Polignac number, because 223330403421 - 2¹⁴ = 223330387037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223330403521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2194270 + ... + 2293791.

It is an arithmetic number, because the mean of its divisors is an integer number (10995751900).

Almost surely, 2^223330403421 is an apocalyptic number.

It is an amenable number.

223330403421 is a deficient number, since it is larger than the sum of its proper divisors (128533657379).

223330403421 is a wasteful number, since it uses less digits than its factorization.

223330403421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488186 (or 4488180 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 223330403421 its reverse (124304033322), we get a palindrome (347634436743).

The spelling of 223330403421 in words is "two hundred twenty-three billion, three hundred thirty million, four hundred three thousand, four hundred twenty-one".