401232021333143 has 64 divisors (see below), whose sum is σ = 542913330806784. Its totient is φ = 286354917360000.

The previous prime is 401232021333139. The next prime is 401232021333151. The reversal of 401232021333143 is 341333120232104.

It is a cyclic number.

It is not a de Polignac number, because 401232021333143 - 2² = 401232021333139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401232021333113) 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, 128905358 + ... + 131981268.

It is an arithmetic number, because the mean of its divisors is an integer number (8483020793856).

Almost surely, 2^{401232021333143} is an apocalyptic number.

401232021333143 is a deficient number, since it is larger than the sum of its proper divisors (141681309473641).

401232021333143 is a wasteful number, since it uses less digits than its factorization.

401232021333143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076956.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 401232021333143 its reverse (341333120232104), we get a palindrome (742565141565247).

The spelling of 401232021333143 in words is "four hundred one trillion, two hundred thirty-two billion, twenty-one million, three hundred thirty-three thousand, one hundred forty-three".