2123120231034 has 16 divisors (see below), whose sum is σ = 4632262322400. Its totient is φ = 643369766960.

The previous prime is 2123120231027. The next prime is 2123120231039. The reversal of 2123120231034 is 4301320213212.

It is a junction number, because it is equal to n+sod(n) for n = 2123120230995 and 2123120231013.

It is not an unprimeable number, because it can be changed into a prime (2123120231039) 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, 16084244109 + ... + 16084244240.

It is an arithmetic number, because the mean of its divisors is an integer number (289516395150).

Almost surely, 2^{2123120231034} is an apocalyptic number.

2123120231034 is an abundant number, since it is smaller than the sum of its proper divisors (2509142091366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123120231034 is a wasteful number, since it uses less digits than its factorization.

2123120231034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32168488365.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2123120231034 its reverse (4301320213212), we get a palindrome (6424440444246).

The spelling of 2123120231034 in words is "two trillion, one hundred twenty-three billion, one hundred twenty million, two hundred thirty-one thousand, thirty-four".