4121647723 has 2 divisors, whose sum is σ = 4121647724. Its totient is φ = 4121647722.

The previous prime is 4121647711. The next prime is 4121647727. The reversal of 4121647723 is 3277461214.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4121647723 is a prime.

It is a super-2 number, since 2×4121647723² = 33975959905022169458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4121647727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060823861 + 2060823862.

It is an arithmetic number, because the mean of its divisors is an integer number (2060823862).

Almost surely, 2^4121647723 is an apocalyptic number.

4121647723 is a deficient number, since it is larger than the sum of its proper divisors (1).

4121647723 is an equidigital number, since it uses as much as digits as its factorization.

4121647723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The square root of 4121647723 is about 64200.0601479469. The cubic root of 4121647723 is about 1603.3326010527.

The spelling of 4121647723 in words is "four billion, one hundred twenty-one million, six hundred forty-seven thousand, seven hundred twenty-three".