402441323233143 has 4 divisors (see below), whose sum is σ = 536588430977528. Its totient is φ = 268294215488760.

The previous prime is 402441323233091. The next prime is 402441323233163. The reversal of 402441323233143 is 341332323144204.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 402441323233143 - 2¹³ = 402441323224951 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 (402441323233163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67073553872188 + ... + 67073553872193.

It is an arithmetic number, because the mean of its divisors is an integer number (134147107744382).

Almost surely, 2^{402441323233143} is an apocalyptic number.

402441323233143 is a deficient number, since it is larger than the sum of its proper divisors (134147107744385).

402441323233143 is a wasteful number, since it uses less digits than its factorization.

402441323233143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134147107744384.

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 402441323233143 its reverse (341332323144204), we get a palindrome (743773646377347).

The spelling of 402441323233143 in words is "four hundred two trillion, four hundred forty-one billion, three hundred twenty-three million, two hundred thirty-three thousand, one hundred forty-three".