400143132023231 has 8 divisors (see below), whose sum is σ = 402146797339584. Its totient is φ = 398144444758560.

The previous prime is 400143132023161. The next prime is 400143132023263. The reversal of 400143132023231 is 132320231341004.

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 400143132023231 - 2²⁶ = 400143064914367 is a prime.

It is a super-2 number, since 2×400143132023231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400143132023194 and 400143132023203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400143132023281) 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, 1244351756 + ... + 1244673281.

It is an arithmetic number, because the mean of its divisors is an integer number (50268349667448).

Almost surely, 2^{400143132023231} is an apocalyptic number.

400143132023231 is a deficient number, since it is larger than the sum of its proper divisors (2003665316353).

400143132023231 is a wasteful number, since it uses less digits than its factorization.

400143132023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489025841.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 400143132023231 its reverse (132320231341004), we get a palindrome (532463363364235).

The spelling of 400143132023231 in words is "four hundred trillion, one hundred forty-three billion, one hundred thirty-two million, twenty-three thousand, two hundred thirty-one".