401002022020323 has 32 divisors (see below), whose sum is σ = 562931446809600. Its totient is φ = 253209725222400.

The previous prime is 401002022020289. The next prime is 401002022020339. The reversal of 401002022020323 is 323020220200104.

It is not a de Polignac number, because 401002022020323 - 2⁹ = 401002022019811 is a prime.

It is a super-2 number, since 2×401002022020323² (a number of 30 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 401002022020323.

It is not an unprimeable number, because it can be changed into a prime (401002022020363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5946992373 + ... + 5947059801.

It is an arithmetic number, because the mean of its divisors is an integer number (17591607712800).

Almost surely, 2^{401002022020323} is an apocalyptic number.

401002022020323 is a deficient number, since it is larger than the sum of its proper divisors (161929424789277).

401002022020323 is a wasteful number, since it uses less digits than its factorization.

401002022020323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88443.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 401002022020323 its reverse (323020220200104), we get a palindrome (724022242220427).

The spelling of 401002022020323 in words is "four hundred one trillion, two billion, twenty-two million, twenty thousand, three hundred twenty-three".