1053511023 has 4 divisors (see below), whose sum is σ = 1404681368. Its totient is φ = 702340680.

The previous prime is 1053511013. The next prime is 1053511049. The reversal of 1053511023 is 3201153501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1053511023 - 2⁶ = 1053510959 is a prime.

It is a super-2 number, since 2×1053511023² = 2219770951165013058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053511013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175585168 + ... + 175585173.

It is an arithmetic number, because the mean of its divisors is an integer number (351170342).

Almost surely, 2^1053511023 is an apocalyptic number.

1053511023 is a deficient number, since it is larger than the sum of its proper divisors (351170345).

1053511023 is an equidigital number, since it uses as much as digits as its factorization.

1053511023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351170344.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1053511023 is about 32457.8345395992. The cubic root of 1053511023 is about 1017.5279824560.

Adding to 1053511023 its reverse (3201153501), we get a palindrome (4254664524).

The spelling of 1053511023 in words is "one billion, fifty-three million, five hundred eleven thousand, twenty-three".