841240823 has 2 divisors, whose sum is σ = 841240824. Its totient is φ = 841240822.

The previous prime is 841240721. The next prime is 841240837. The reversal of 841240823 is 328042148.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 841240823 - 2¹⁸ = 840978679 is a prime.

It is a super-2 number, since 2×841240823² = 1415372244563434658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 841240823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (841240123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420620411 + 420620412.

It is an arithmetic number, because the mean of its divisors is an integer number (420620412).

Almost surely, 2^841240823 is an apocalyptic number.

841240823 is a deficient number, since it is larger than the sum of its proper divisors (1).

841240823 is an equidigital number, since it uses as much as digits as its factorization.

841240823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 841240823 is about 29004.1518234890. The cubic root of 841240823 is about 944.0031566344.

The spelling of 841240823 in words is "eight hundred forty-one million, two hundred forty thousand, eight hundred twenty-three".