2120023023434 has 16 divisors (see below), whose sum is σ = 3233026338696. Its totient is φ = 1042356825600.

The previous prime is 2120023023431. The next prime is 2120023023439. The reversal of 2120023023434 is 4343203200212.

It can be written as a sum of positive squares in 4 ways, for example, as 796729404409 + 1323293619025 = 892597^2 + 1150345^2 .

It is not an unprimeable number, because it can be changed into a prime (2120023023431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1851347 + ... + 2769030.

Almost surely, 2^{2120023023434} is an apocalyptic number.

2120023023434 is a deficient number, since it is larger than the sum of its proper divisors (1113003315262).

2120023023434 is a wasteful number, since it uses less digits than its factorization.

2120023023434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624201.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 2120023023434 its reverse (4343203200212), we get a palindrome (6463226223646).

The spelling of 2120023023434 in words is "two trillion, one hundred twenty billion, twenty-three million, twenty-three thousand, four hundred thirty-four".