323123202142 has 16 divisors (see below), whose sum is σ = 522028769472. Its totient is φ = 149116494240.

The previous prime is 323123202133. The next prime is 323123202169. The reversal of 323123202142 is 241202321323.

It is a congruent number.

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, 490534 + ... + 941737.

It is an arithmetic number, because the mean of its divisors is an integer number (32626798092).

Almost surely, 2^323123202142 is an apocalyptic number.

323123202142 is a deficient number, since it is larger than the sum of its proper divisors (198905567330).

323123202142 is a wasteful number, since it uses less digits than its factorization.

323123202142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440963.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 323123202142 its reverse (241202321323), we get a palindrome (564325523465).

The spelling of 323123202142 in words is "three hundred twenty-three billion, one hundred twenty-three million, two hundred two thousand, one hundred forty-two".