1023542053 has 4 divisors (see below), whose sum is σ = 1025335168. Its totient is φ = 1021748940.

The previous prime is 1023542011. The next prime is 1023542059. The reversal of 1023542053 is 3502453201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023542053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023542059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895701 + ... + 896842.

It is an arithmetic number, because the mean of its divisors is an integer number (256333792).

Almost surely, 2^1023542053 is an apocalyptic number.

It is an amenable number.

1023542053 is a deficient number, since it is larger than the sum of its proper divisors (1793115).

1023542053 is an equidigital number, since it uses as much as digits as its factorization.

1023542053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793114.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1023542053 is about 31992.8437779451. The cubic root of 1023542053 is about 1007.7865630677.

Adding to 1023542053 its reverse (3502453201), we get a palindrome (4525995254).

The spelling of 1023542053 in words is "one billion, twenty-three million, five hundred forty-two thousand, fifty-three".