20231475311407 has 2 divisors, whose sum is σ = 20231475311408. Its totient is φ = 20231475311406.

The previous prime is 20231475311371. The next prime is 20231475311423. The reversal of 20231475311407 is 70411357413202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20231475311407 - 2¹⁹ = 20231474787119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20231475311407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20231475311497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115737655703 + 10115737655704.

It is an arithmetic number, because the mean of its divisors is an integer number (10115737655704).

Almost surely, 2^{20231475311407} is an apocalyptic number.

20231475311407 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231475311407 is an equidigital number, since it uses as much as digits as its factorization.

20231475311407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 20231475311407 in words is "twenty trillion, two hundred thirty-one billion, four hundred seventy-five million, three hundred eleven thousand, four hundred seven".