14020023491 has 2 divisors, whose sum is σ = 14020023492. Its totient is φ = 14020023490.

The previous prime is 14020023419. The next prime is 14020023509. The reversal of 14020023491 is 19432002041.

Together with previous prime (14020023419) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14020023491 - 2²⁶ = 13952914627 is a prime.

It is a super-2 number, since 2×14020023491² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14020023491.

It is not a weakly prime, because it can be changed into another prime (14020023401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7010011745 + 7010011746.

It is an arithmetic number, because the mean of its divisors is an integer number (7010011746).

Almost surely, 2^14020023491 is an apocalyptic number.

14020023491 is a deficient number, since it is larger than the sum of its proper divisors (1).

14020023491 is an equidigital number, since it uses as much as digits as its factorization.

14020023491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 14020023491 in words is "fourteen billion, twenty million, twenty-three thousand, four hundred ninety-one".