1153423241 has 2 divisors, whose sum is σ = 1153423242. Its totient is φ = 1153423240.

The previous prime is 1153423211. The next prime is 1153423247. The reversal of 1153423241 is 1423243511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 600985225 + 552438016 = 24515^2 + 23504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1153423241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1153423241.

It is not a weakly prime, because it can be changed into another prime (1153423247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576711620 + 576711621.

It is an arithmetic number, because the mean of its divisors is an integer number (576711621).

Almost surely, 2^1153423241 is an apocalyptic number.

It is an amenable number.

1153423241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153423241 is an equidigital number, since it uses as much as digits as its factorization.

1153423241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 26.

The square root of 1153423241 is about 33962.0853452788. The cubic root of 1153423241 is about 1048.7280868038.

Adding to 1153423241 its reverse (1423243511), we get a palindrome (2576666752).

The spelling of 1153423241 in words is "one billion, one hundred fifty-three million, four hundred twenty-three thousand, two hundred forty-one".