20231475311423 has 2 divisors, whose sum is σ = 20231475311424. Its totient is φ = 20231475311422.

The previous prime is 20231475311407. The next prime is 20231475311471. The reversal of 20231475311423 is 32411357413202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20231475311423 - 2⁴ = 20231475311407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20231475361423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115737655711 + 10115737655712.

It is an arithmetic number, because the mean of its divisors is an integer number (10115737655712).

Almost surely, 2^{20231475311423} is an apocalyptic number.

20231475311423 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231475311423 is an equidigital number, since it uses as much as digits as its factorization.

20231475311423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 20231475311423 in words is "twenty trillion, two hundred thirty-one billion, four hundred seventy-five million, three hundred eleven thousand, four hundred twenty-three".