2102435723 has 2 divisors, whose sum is σ = 2102435724. Its totient is φ = 2102435722.

The previous prime is 2102435669. The next prime is 2102435737. The reversal of 2102435723 is 3275342012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102435723 - 2⁶ = 2102435659 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102435623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051217861 + 1051217862.

It is an arithmetic number, because the mean of its divisors is an integer number (1051217862).

Almost surely, 2^2102435723 is an apocalyptic number.

2102435723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102435723 is an equidigital number, since it uses as much as digits as its factorization.

2102435723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 2102435723 is about 45852.3251645977. The cubic root of 2102435723 is about 1281.0740746658.

Adding to 2102435723 its reverse (3275342012), we get a palindrome (5377777735).

The spelling of 2102435723 in words is "two billion, one hundred two million, four hundred thirty-five thousand, seven hundred twenty-three".