143231102402 has 16 divisors (see below), whose sum is σ = 227186394624. Its totient is φ = 67614996000.

The previous prime is 143231102393. The next prime is 143231102423. The reversal of 143231102402 is 204201132341.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28170374 + ... + 28175457.

It is an arithmetic number, because the mean of its divisors is an integer number (14199149664).

Almost surely, 2^143231102402 is an apocalyptic number.

143231102402 is a deficient number, since it is larger than the sum of its proper divisors (83955292222).

143231102402 is a wasteful number, since it uses less digits than its factorization.

143231102402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56345905.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 143231102402 its reverse (204201132341), we get a palindrome (347432234743).

The spelling of 143231102402 in words is "one hundred forty-three billion, two hundred thirty-one million, one hundred two thousand, four hundred two".