1023055653 has 16 divisors (see below), whose sum is σ = 1391962496. Its totient is φ = 668217600.

The previous prime is 1023055643. The next prime is 1023055667. The reversal of 1023055653 is 3565503201.

It is not a de Polignac number, because 1023055653 - 2¹⁰ = 1023054629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023055653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023055603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17601 + ... + 48537.

It is an arithmetic number, because the mean of its divisors is an integer number (86997656).

Almost surely, 2^1023055653 is an apocalyptic number.

It is an amenable number.

1023055653 is a deficient number, since it is larger than the sum of its proper divisors (368906843).

1023055653 is a wasteful number, since it uses less digits than its factorization.

1023055653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31164.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 1023055653 is about 31985.2411746418. The cubic root of 1023055653 is about 1007.6269001758.

Adding to 1023055653 its reverse (3565503201), we get a palindrome (4588558854).

The spelling of 1023055653 in words is "one billion, twenty-three million, fifty-five thousand, six hundred fifty-three".