11303220023 has 4 divisors (see below), whose sum is σ = 11898126360. Its totient is φ = 10708313688.

The previous prime is 11303219933. The next prime is 11303220041. The reversal of 11303220023 is 32002230311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32002230311 = 797 ⋅40153363.

It is a cyclic number.

It is not a de Polignac number, because 11303220023 - 2¹² = 11303215927 is a prime.

It is a super-3 number, since 3×11303220023³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11303219983 and 11303220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11303220043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297453140 + ... + 297453177.

It is an arithmetic number, because the mean of its divisors is an integer number (2974531590).

Almost surely, 2^11303220023 is an apocalyptic number.

11303220023 is a deficient number, since it is larger than the sum of its proper divisors (594906337).

11303220023 is an equidigital number, since it uses as much as digits as its factorization.

11303220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594906336.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 11303220023 its reverse (32002230311), we get a palindrome (43305450334).

The spelling of 11303220023 in words is "eleven billion, three hundred three million, two hundred twenty thousand, twenty-three".