1153823641 has 2 divisors, whose sum is σ = 1153823642. Its totient is φ = 1153823640.

The previous prime is 1153823623. The next prime is 1153823663. The reversal of 1153823641 is 1463283511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 633025600 + 520798041 = 25160^2 + 22821^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153823641 - 2¹¹ = 1153821593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1153823597 and 1153823606.

It is not a weakly prime, because it can be changed into another prime (1153823611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576911820 + 576911821.

It is an arithmetic number, because the mean of its divisors is an integer number (576911821).

Almost surely, 2^1153823641 is an apocalyptic number.

It is an amenable number.

1153823641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153823641 is an equidigital number, since it uses as much as digits as its factorization.

1153823641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 1153823641 is about 33967.9796425987. The cubic root of 1153823641 is about 1048.8494247860.

The spelling of 1153823641 in words is "one billion, one hundred fifty-three million, eight hundred twenty-three thousand, six hundred forty-one".