203123021431143 has 8 divisors (see below), whose sum is σ = 295451667536256. Its totient is φ = 123104861473400.

The previous prime is 203123021431111. The next prime is 203123021431181. The reversal of 203123021431143 is 341134120321302.

203123021431143 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203123021431143 - 2⁵ = 203123021431111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203123021431143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203123021431943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3077621536803 + ... + 3077621536868.

It is an arithmetic number, because the mean of its divisors is an integer number (36931458442032).

Almost surely, 2^{203123021431143} is an apocalyptic number.

203123021431143 is a deficient number, since it is larger than the sum of its proper divisors (92328646105113).

203123021431143 is a wasteful number, since it uses less digits than its factorization.

203123021431143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6155243073685.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 203123021431143 its reverse (341134120321302), we get a palindrome (544257141752445).

The spelling of 203123021431143 in words is "two hundred three trillion, one hundred twenty-three billion, twenty-one million, four hundred thirty-one thousand, one hundred forty-three".