2321642202434 has 16 divisors (see below), whose sum is σ = 3484977139968. Its totient is φ = 1159983463392.

The previous prime is 2321642202433. The next prime is 2321642202463. The reversal of 2321642202434 is 4342022461232.

It is a super-2 number, since 2×2321642202434² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2321642202394 and 2321642202403.

It is not an unprimeable number, because it can be changed into a prime (2321642202433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15590759 + ... + 15738965.

It is an arithmetic number, because the mean of its divisors is an integer number (217811071248).

Almost surely, 2^{2321642202434} is an apocalyptic number.

2321642202434 is a deficient number, since it is larger than the sum of its proper divisors (1163334937534).

2321642202434 is a wasteful number, since it uses less digits than its factorization.

2321642202434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153809.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 2321642202434 its reverse (4342022461232), we get a palindrome (6663664663666).

The spelling of 2321642202434 in words is "two trillion, three hundred twenty-one billion, six hundred forty-two million, two hundred two thousand, four hundred thirty-four".