20203041310423 has 4 divisors (see below), whose sum is σ = 20262990988240. Its totient is φ = 20143091632608.

The previous prime is 20203041310399. The next prime is 20203041310447. The reversal of 20203041310423 is 32401314030202.

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

It is an interprime number because it is at equal distance from previous prime (20203041310399) and next prime (20203041310447).

It is a cyclic number.

It is not a de Polignac number, because 20203041310423 - 2²⁹ = 20202504439511 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 (20203041311423) 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, 29974838403 + ... + 29974839076.

It is an arithmetic number, because the mean of its divisors is an integer number (5065747747060).

Almost surely, 2^{20203041310423} is an apocalyptic number.

20203041310423 is a deficient number, since it is larger than the sum of its proper divisors (59949677817).

20203041310423 is an equidigital number, since it uses as much as digits as its factorization.

20203041310423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59949677816.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20203041310423 its reverse (32401314030202), we get a palindrome (52604355340625).

The spelling of 20203041310423 in words is "twenty trillion, two hundred three billion, forty-one million, three hundred ten thousand, four hundred twenty-three".