401343552331323 has 16 divisors (see below), whose sum is σ = 619948814040576. Its totient is φ = 226197540256320.

The previous prime is 401343552331303. The next prime is 401343552331339. The reversal of 401343552331323 is 323133255343104.

It is not a de Polignac number, because 401343552331323 - 2²¹ = 401343550234171 is a prime.

It is a super-2 number, since 2×401343552331323² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401343552331303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130901352783 + ... + 130901355848.

It is an arithmetic number, because the mean of its divisors is an integer number (38746800877536).

Almost surely, 2^{401343552331323} is an apocalyptic number.

401343552331323 is a deficient number, since it is larger than the sum of its proper divisors (218605261709253).

401343552331323 is a wasteful number, since it uses less digits than its factorization.

401343552331323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261802708714.

The product of its (nonzero) digits is 1166400, while the sum is 42.

The spelling of 401343552331323 in words is "four hundred one trillion, three hundred forty-three billion, five hundred fifty-two million, three hundred thirty-one thousand, three hundred twenty-three".