203430242344 has 32 divisors (see below), whose sum is σ = 435977006400. Its totient is φ = 87173377920.

The previous prime is 203430242329. The next prime is 203430242369. The reversal of 203430242344 is 443242034302.

It is a happy number.

It is a super-2 number, since 2×203430242344² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225924 + ... + 676684.

It is an arithmetic number, because the mean of its divisors is an integer number (13624281450).

Almost surely, 2^203430242344 is an apocalyptic number.

It is an amenable number.

203430242344 is an abundant number, since it is smaller than the sum of its proper divisors (232546764056).

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

203430242344 is a wasteful number, since it uses less digits than its factorization.

203430242344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458833 (or 458829 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 203430242344 its reverse (443242034302), we get a palindrome (646672276646).

The spelling of 203430242344 in words is "two hundred three billion, four hundred thirty million, two hundred forty-two thousand, three hundred forty-four".