1053423243 has 24 divisors (see below), whose sum is σ = 1532113440. Its totient is φ = 697455360.

The previous prime is 1053423199. The next prime is 1053423257. The reversal of 1053423243 is 3423243501.

It is not a de Polignac number, because 1053423243 - 2⁶ = 1053423179 is a prime.

It is a super-2 number, since 2×1053423243² = 2219401057785274098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053423043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1043523 + ... + 1044531.

It is an arithmetic number, because the mean of its divisors is an integer number (63838060).

Almost surely, 2^1053423243 is an apocalyptic number.

1053423243 is a deficient number, since it is larger than the sum of its proper divisors (478690197).

1053423243 is a wasteful number, since it uses less digits than its factorization.

1053423243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699 (or 1696 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 1053423243 is about 32456.4822955292. The cubic root of 1053423243 is about 1017.4997210567.

Adding to 1053423243 its reverse (3423243501), we get a palindrome (4476666744).

The spelling of 1053423243 in words is "one billion, fifty-three million, four hundred twenty-three thousand, two hundred forty-three".