203440223344242 has 32 divisors (see below), whose sum is σ = 432049016448000. Its totient is φ = 63641505892608.

The previous prime is 203440223344213. The next prime is 203440223344271. The reversal of 203440223344242 is 242443322044302.

It is an interprime number because it is at equal distance from previous prime (203440223344213) and next prime (203440223344271).

It is a super-2 number, since 2×203440223344242² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203440223344242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2857431442 + ... + 2857502637.

It is an arithmetic number, because the mean of its divisors is an integer number (13501531764000).

Almost surely, 2^{203440223344242} is an apocalyptic number.

203440223344242 is an abundant number, since it is smaller than the sum of its proper divisors (228608793103758).

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

203440223344242 is a wasteful number, since it uses less digits than its factorization.

203440223344242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714934450.

The product of its (nonzero) digits is 884736, while the sum is 39.

Adding to 203440223344242 its reverse (242443322044302), we get a palindrome (445883545388544).

The spelling of 203440223344242 in words is "two hundred three trillion, four hundred forty billion, two hundred twenty-three million, three hundred forty-four thousand, two hundred forty-two".