401123031444513 has 20 divisors (see below), whose sum is σ = 684809690368320. Its totient is φ = 229213160825112.

The previous prime is 401123031444511. The next prime is 401123031444617. The reversal of 401123031444513 is 315444130321104.

401123031444513 is a `hidden beast` number, since 4 + 0 + 1 + 123 + 0 + 3 + 14 + 4 + 4 + 513 = 666.

It is not a de Polignac number, because 401123031444513 - 2¹ = 401123031444511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (401123031444511) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 353724013053 + ... + 353724014186.

It is an arithmetic number, because the mean of its divisors is an integer number (34240484518416).

Almost surely, 2^{401123031444513} is an apocalyptic number.

It is an amenable number.

401123031444513 is a deficient number, since it is larger than the sum of its proper divisors (283686658923807).

401123031444513 is an equidigital number, since it uses as much as digits as its factorization.

401123031444513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707448027258 (or 707448027249 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 401123031444513 its reverse (315444130321104), we get a palindrome (716567161765617).

The spelling of 401123031444513 in words is "four hundred one trillion, one hundred twenty-three billion, thirty-one million, four hundred forty-four thousand, five hundred thirteen".