203040023433 has 48 divisors (see below), whose sum is σ = 296643409920. Its totient is φ = 123465451200.

The previous prime is 203040023419. The next prime is 203040023443. The reversal of 203040023433 is 334320040302.

It is not a de Polignac number, because 203040023433 - 2²¹ = 203037926281 is a prime.

It is a super-2 number, since 2×203040023433² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203040023443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15867268 + ... + 15880058.

It is an arithmetic number, because the mean of its divisors is an integer number (6180071040).

Almost surely, 2^203040023433 is an apocalyptic number.

It is an amenable number.

203040023433 is a deficient number, since it is larger than the sum of its proper divisors (93603386487).

203040023433 is a wasteful number, since it uses less digits than its factorization.

203040023433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13190 (or 13177 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 203040023433 its reverse (334320040302), we get a palindrome (537360063735).

The spelling of 203040023433 in words is "two hundred three billion, forty million, twenty-three thousand, four hundred thirty-three".