2723030434123 has 2 divisors, whose sum is σ = 2723030434124. Its totient is φ = 2723030434122.

The previous prime is 2723030434049. The next prime is 2723030434129. The reversal of 2723030434123 is 3214340303272.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2723030434123 is a prime.

It is not a weakly prime, because it can be changed into another prime (2723030434129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361515217061 + 1361515217062.

It is an arithmetic number, because the mean of its divisors is an integer number (1361515217062).

Almost surely, 2^{2723030434123} is an apocalyptic number.

2723030434123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2723030434123 is an equidigital number, since it uses as much as digits as its factorization.

2723030434123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 34.

Adding to 2723030434123 its reverse (3214340303272), we get a palindrome (5937370737395).

The spelling of 2723030434123 in words is "two trillion, seven hundred twenty-three billion, thirty million, four hundred thirty-four thousand, one hundred twenty-three".