11303022123 has 20 divisors (see below), whose sum is σ = 16959171240. Its totient is φ = 7502140512.

The previous prime is 11303022121. The next prime is 11303022149. The reversal of 11303022123 is 32122030311.

It is not a de Polignac number, because 11303022123 - 2¹ = 11303022121 is a prime.

It is a super-2 number, since 2×11303022123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11303022096 and 11303022105.

It is not an unprimeable number, because it can be changed into a prime (11303022121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 288978 + ... + 325751.

It is an arithmetic number, because the mean of its divisors is an integer number (847958562).

Almost surely, 2^11303022123 is an apocalyptic number.

11303022123 is a deficient number, since it is larger than the sum of its proper divisors (5656149117).

11303022123 is an equidigital number, since it uses as much as digits as its factorization.

11303022123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614968 (or 614959 counting only the distinct ones).

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

Adding to 11303022123 its reverse (32122030311), we get a palindrome (43425052434).

The spelling of 11303022123 in words is "eleven billion, three hundred three million, twenty-two thousand, one hundred twenty-three".