14400021321023 has 16 divisors (see below), whose sum is σ = 15915644531136. Its totient is φ = 12946335018240.

The previous prime is 14400021320977. The next prime is 14400021321031. The reversal of 14400021321023 is 32012312000441.

It is not a de Polignac number, because 14400021321023 - 2³⁰ = 14398947579199 is a prime.

It is a super-2 number, since 2×14400021321023² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14400021321023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14400021221023) 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 in 15 ways as a sum of consecutive naturals, for example, 76182563 + ... + 76371348.

It is an arithmetic number, because the mean of its divisors is an integer number (994727783196).

Almost surely, 2^{14400021321023} is an apocalyptic number.

14400021321023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

14400021321023 is a deficient number, since it is larger than the sum of its proper divisors (1515623210113).

14400021321023 is a wasteful number, since it uses less digits than its factorization.

14400021321023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152554114.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 14400021321023 its reverse (32012312000441), we get a palindrome (46412333321464).

The spelling of 14400021321023 in words is "fourteen trillion, four hundred billion, twenty-one million, three hundred twenty-one thousand, twenty-three".