401123312143345 has 64 divisors (see below), whose sum is σ = 533782375746048. Its totient is φ = 286926877440000.

The previous prime is 401123312143277. The next prime is 401123312143349. The reversal of 401123312143345 is 543341213321104.

It is not a de Polignac number, because 401123312143345 - 2¹¹ = 401123312141297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (401123312143349) 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 63 ways as a sum of consecutive naturals, for example, 2827668439 + ... + 2827810291.

It is an arithmetic number, because the mean of its divisors is an integer number (8340349621032).

Almost surely, 2^{401123312143345} is an apocalyptic number.

It is an amenable number.

401123312143345 is a deficient number, since it is larger than the sum of its proper divisors (132659063602703).

401123312143345 is a wasteful number, since it uses less digits than its factorization.

401123312143345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143674.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 401123312143345 its reverse (543341213321104), we get a palindrome (944464525464449).

The spelling of 401123312143345 in words is "four hundred one trillion, one hundred twenty-three billion, three hundred twelve million, one hundred forty-three thousand, three hundred forty-five".