2123202321430 has 64 divisors (see below), whose sum is σ = 3995083306368. Its totient is φ = 810899527680.

The previous prime is 2123202321421. The next prime is 2123202321431. The reversal of 2123202321430 is 341232023212.

It is a junction number, because it is equal to n+sod(n) for n = 2123202321395 and 2123202321404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123202321431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380431240 + ... + 380436820.

It is an arithmetic number, because the mean of its divisors is an integer number (62423176662).

Almost surely, 2^{2123202321430} is an apocalyptic number.

2123202321430 is a deficient number, since it is larger than the sum of its proper divisors (1871880984938).

2123202321430 is a wasteful number, since it uses less digits than its factorization.

2123202321430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281.

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

Adding to 2123202321430 its reverse (341232023212), we get a palindrome (2464434344642).

The spelling of 2123202321430 in words is "two trillion, one hundred twenty-three billion, two hundred two million, three hundred twenty-one thousand, four hundred thirty".