231242423402 has 8 divisors (see below), whose sum is σ = 351042715296. Its totient is φ = 114228184972.

The previous prime is 231242423393. The next prime is 231242423413. The reversal of 231242423402 is 204324242132.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696513158 + ... + 696513489.

It is an arithmetic number, because the mean of its divisors is an integer number (43880339412).

Almost surely, 2^231242423402 is an apocalyptic number.

231242423402 is a deficient number, since it is larger than the sum of its proper divisors (119800291894).

231242423402 is a wasteful number, since it uses less digits than its factorization.

231242423402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393026732.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 231242423402 its reverse (204324242132), we get a palindrome (435566665534).

The spelling of 231242423402 in words is "two hundred thirty-one billion, two hundred forty-two million, four hundred twenty-three thousand, four hundred two".