11303311023 has 16 divisors (see below), whose sum is σ = 16877506560. Its totient is φ = 7476203448.

The previous prime is 11303310943. The next prime is 11303311039. The reversal of 11303311023 is 32011330311.

It is a happy number.

It is not a de Polignac number, because 11303311023 - 2²¹ = 11301213871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11303310987 and 11303311005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11303311043) 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, 1644765 + ... + 1651622.

It is an arithmetic number, because the mean of its divisors is an integer number (1054844160).

Almost surely, 2^11303311023 is an apocalyptic number.

11303311023 is a deficient number, since it is larger than the sum of its proper divisors (5574195537).

11303311023 is a wasteful number, since it uses less digits than its factorization.

11303311023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296523 (or 3296517 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11303311023 its reverse (32011330311), we get a palindrome (43314641334).

The spelling of 11303311023 in words is "eleven billion, three hundred three million, three hundred eleven thousand, twenty-three".