203122312404023 has 4 divisors (see below), whose sum is σ = 203124171467160. Its totient is φ = 203120453340888.

The previous prime is 203122312403999. The next prime is 203122312404061. The reversal of 203122312404023 is 320404213221302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203122312404023 - 2¹⁴ = 203122312387639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203122312484023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929367668 + ... + 929586201.

It is an arithmetic number, because the mean of its divisors is an integer number (50781042866790).

Almost surely, 2^{203122312404023} is an apocalyptic number.

203122312404023 is a deficient number, since it is larger than the sum of its proper divisors (1859063137).

203122312404023 is a wasteful number, since it uses less digits than its factorization.

203122312404023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859063136.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 203122312404023 its reverse (320404213221302), we get a palindrome (523526525625325).

The spelling of 203122312404023 in words is "two hundred three trillion, one hundred twenty-two billion, three hundred twelve million, four hundred four thousand, twenty-three".