401232143 has 8 divisors (see below), whose sum is σ = 432307008. Its totient is φ = 370187424.

The previous prime is 401232133. The next prime is 401232157. The reversal of 401232143 is 341232104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401232143 - 2⁴ = 401232127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401232103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25505 + ... + 38117.

It is an arithmetic number, because the mean of its divisors is an integer number (54038376).

Almost surely, 2^401232143 is an apocalyptic number.

401232143 is a deficient number, since it is larger than the sum of its proper divisors (31074865).

401232143 is a wasteful number, since it uses less digits than its factorization.

401232143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15073.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 401232143 is about 20030.7798899594. The cubic root of 401232143 is about 737.5620665183.

Adding to 401232143 its reverse (341232104), we get a palindrome (742464247).

The spelling of 401232143 in words is "four hundred one million, two hundred thirty-two thousand, one hundred forty-three".