11020603023 has 6 divisors (see below), whose sum is σ = 15918648824. Its totient is φ = 7347068676.

The previous prime is 11020602961. The next prime is 11020603037. The reversal of 11020603023 is 32030602011.

It is not a de Polignac number, because 11020603023 - 2⁹ = 11020602511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020602987 and 11020603005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020603043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 612255715 + ... + 612255732.

Almost surely, 2^11020603023 is an apocalyptic number.

11020603023 is a deficient number, since it is larger than the sum of its proper divisors (4898045801).

11020603023 is a wasteful number, since it uses less digits than its factorization.

11020603023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224511453 (or 1224511450 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The spelling of 11020603023 in words is "eleven billion, twenty million, six hundred three thousand, twenty-three".