203234455023 has 16 divisors (see below), whose sum is σ = 275346720000. Its totient is φ = 133313564160.

The previous prime is 203234455013. The next prime is 203234455051. The reversal of 203234455023 is 320554432302.

It is not a de Polignac number, because 203234455023 - 2¹⁶ = 203234389487 is a prime.

It is a super-3 number, since 3×203234455023³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203234455003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849778 + ... + 1062351.

It is an arithmetic number, because the mean of its divisors is an integer number (17209170000).

Almost surely, 2^203234455023 is an apocalyptic number.

203234455023 is a deficient number, since it is larger than the sum of its proper divisors (72112264977).

203234455023 is a wasteful number, since it uses less digits than its factorization.

203234455023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912702.

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 203234455023 its reverse (320554432302), we get a palindrome (523788887325).

The spelling of 203234455023 in words is "two hundred three billion, two hundred thirty-four million, four hundred fifty-five thousand, twenty-three".