223660043664425 has 24 divisors (see below), whose sum is σ = 281263004432256. Its totient is φ = 176410094538240.

The previous prime is 223660043664401. The next prime is 223660043664451. The reversal of 223660043664425 is 524466340066322.

It is not a de Polignac number, because 223660043664425 - 2⁴⁰ = 222560532036649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174706229 + ... + 175981778.

It is an arithmetic number, because the mean of its divisors is an integer number (11719291851344).

Almost surely, 2^{223660043664425} is an apocalyptic number.

223660043664425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223660043664425 is a deficient number, since it is larger than the sum of its proper divisors (57602960767831).

223660043664425 is a wasteful number, since it uses less digits than its factorization.

223660043664425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350688377 (or 350688372 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 53.

The spelling of 223660043664425 in words is "two hundred twenty-three trillion, six hundred sixty billion, forty-three million, six hundred sixty-four thousand, four hundred twenty-five".