20014467757423 has 2 divisors, whose sum is σ = 20014467757424. Its totient is φ = 20014467757422.

The previous prime is 20014467757409. The next prime is 20014467757433. The reversal of 20014467757423 is 32475776441002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20014467757423 is a prime.

It is a super-2 number, since 2×20014467757423² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20014467757433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10007233878711 + 10007233878712.

It is an arithmetic number, because the mean of its divisors is an integer number (10007233878712).

Almost surely, 2^{20014467757423} is an apocalyptic number.

20014467757423 is a deficient number, since it is larger than the sum of its proper divisors (1).

20014467757423 is an equidigital number, since it uses as much as digits as its factorization.

20014467757423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7902720, while the sum is 52.

The spelling of 20014467757423 in words is "twenty trillion, fourteen billion, four hundred sixty-seven million, seven hundred fifty-seven thousand, four hundred twenty-three".