400221014021323 has 64 divisors (see below), whose sum is σ = 459598969589760. Its totient is φ = 344962519862400.

The previous prime is 400221014021291. The next prime is 400221014021357. The reversal of 400221014021323 is 323120410122004.

It is not a de Polignac number, because 400221014021323 - 2⁵ = 400221014021291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400221014027323) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72674958936 + ... + 72674964442.

It is an arithmetic number, because the mean of its divisors is an integer number (7181233899840).

Almost surely, 2^{400221014021323} is an apocalyptic number.

400221014021323 is a deficient number, since it is larger than the sum of its proper divisors (59377955568437).

400221014021323 is a wasteful number, since it uses less digits than its factorization.

400221014021323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8608.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 400221014021323 its reverse (323120410122004), we get a palindrome (723341424143327).

The spelling of 400221014021323 in words is "four hundred trillion, two hundred twenty-one billion, fourteen million, twenty-one thousand, three hundred twenty-three".