320123032322402 has 4 divisors (see below), whose sum is σ = 480184548483606. Its totient is φ = 160061516161200.

The previous prime is 320123032322377. The next prime is 320123032322407. The reversal of 320123032322402 is 204223230321023.

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

It can be written as a sum of positive squares in only one way, i.e., 277816190216761 + 42306842105641 = 16667819^2 + 6504371^2 .

It is not an unprimeable number, because it can be changed into a prime (320123032322407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80030758080599 + ... + 80030758080602.

Almost surely, 2^{320123032322402} is an apocalyptic number.

320123032322402 is a deficient number, since it is larger than the sum of its proper divisors (160061516161204).

320123032322402 is a wasteful number, since it uses less digits than its factorization.

320123032322402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160061516161203.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 320123032322402 its reverse (204223230321023), we get a palindrome (524346262643425).

The spelling of 320123032322402 in words is "three hundred twenty trillion, one hundred twenty-three billion, thirty-two million, three hundred twenty-two thousand, four hundred two".