223465561635426 has 64 divisors (see below), whose sum is σ = 516244404672000. Its totient is φ = 63733109909760.

The previous prime is 223465561635353. The next prime is 223465561635431. The reversal of 223465561635426 is 624536165564322.

It is a self number, because there is not a number n which added to its sum of digits gives 223465561635426.

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, 223077825 + ... + 224077323.

It is an arithmetic number, because the mean of its divisors is an integer number (8066318823000).

Almost surely, 2^{223465561635426} is an apocalyptic number.

223465561635426 is an abundant number, since it is smaller than the sum of its proper divisors (292778843036574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223465561635426 is a wasteful number, since it uses less digits than its factorization.

223465561635426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198799.

The product of its digits is 186624000, while the sum is 60.

The spelling of 223465561635426 in words is "two hundred twenty-three trillion, four hundred sixty-five billion, five hundred sixty-one million, six hundred thirty-five thousand, four hundred twenty-six".