203432253311023 has 16 divisors (see below), whose sum is σ = 229579352271360. Its totient is φ = 178560732520800.

The previous prime is 203432253311009. The next prime is 203432253311057. The reversal of 203432253311023 is 320113352234302.

It is a cyclic number.

It is not a de Polignac number, because 203432253311023 - 2¹⁷ = 203432253179951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203432253311023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203432253318023) 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, 162036286 + ... + 163286932.

It is an arithmetic number, because the mean of its divisors is an integer number (14348709516960).

Almost surely, 2^{203432253311023} is an apocalyptic number.

203432253311023 is a deficient number, since it is larger than the sum of its proper divisors (26147098960337).

203432253311023 is a wasteful number, since it uses less digits than its factorization.

203432253311023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760598.

The product of its (nonzero) digits is 77760, while the sum is 34.

The spelling of 203432253311023 in words is "two hundred three trillion, four hundred thirty-two billion, two hundred fifty-three million, three hundred eleven thousand, twenty-three".