223403240142 has 24 divisors (see below), whose sum is σ = 505085587344. Its totient is φ = 71230018464.

The previous prime is 223403240141. The next prime is 223403240167. The reversal of 223403240142 is 241042304322.

223403240142 is a `hidden beast` number, since 2 + 2 + 3 + 403 + 240 + 14 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223403240141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269810263 + ... + 269811090.

It is an arithmetic number, because the mean of its divisors is an integer number (21045232806).

Almost surely, 2^223403240142 is an apocalyptic number.

223403240142 is an abundant number, since it is smaller than the sum of its proper divisors (281682347202).

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

223403240142 is a wasteful number, since it uses less digits than its factorization.

223403240142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539621384 (or 539621381 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 223403240142 its reverse (241042304322), we get a palindrome (464445544464).

The spelling of 223403240142 in words is "two hundred twenty-three billion, four hundred three million, two hundred forty thousand, one hundred forty-two".