2103736823 has 2 divisors, whose sum is σ = 2103736824. Its totient is φ = 2103736822.

The previous prime is 2103736813. The next prime is 2103736847. The reversal of 2103736823 is 3286373012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2103736823 is a prime.

It is a super-2 number, since 2×2103736823² = 8851417240892266658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103736813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051868411 + 1051868412.

It is an arithmetic number, because the mean of its divisors is an integer number (1051868412).

Almost surely, 2^2103736823 is an apocalyptic number.

2103736823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103736823 is an equidigital number, since it uses as much as digits as its factorization.

2103736823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 2103736823 is about 45866.5109093770. The cubic root of 2103736823 is about 1281.3382859553.

The spelling of 2103736823 in words is "two billion, one hundred three million, seven hundred thirty-six thousand, eight hundred twenty-three".