2101023434 has 16 divisors (see below), whose sum is σ = 3240349056. Its totient is φ = 1021096800.

The previous prime is 2101023433. The next prime is 2101023443. The reversal of 2101023434 is 4343201012.

It is not an unprimeable number, because it can be changed into a prime (2101023433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25052 + ... + 69495.

It is an arithmetic number, because the mean of its divisors is an integer number (202521816).

Almost surely, 2^2101023434 is an apocalyptic number.

2101023434 is a deficient number, since it is larger than the sum of its proper divisors (1139325622).

2101023434 is a wasteful number, since it uses less digits than its factorization.

2101023434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94861.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2101023434 is about 45836.9221697967. The cubic root of 2101023434 is about 1280.7871610843.

Adding to 2101023434 its reverse (4343201012), we get a palindrome (6444224446).

It can be divided in two parts, 21010 and 23434, that added together give a palindrome (44444).

The spelling of 2101023434 in words is "two billion, one hundred one million, twenty-three thousand, four hundred thirty-four".