11203201023 has 8 divisors (see below), whose sum is σ = 17071544448. Its totient is φ = 6401829144.

The previous prime is 11203201001. The next prime is 11203201027. The reversal of 11203201023 is 32010230211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11203201023 - 2¹⁷ = 11203069951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11203200993 and 11203201011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203201027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266742861 + ... + 266742902.

It is an arithmetic number, because the mean of its divisors is an integer number (2133943056).

Almost surely, 2^11203201023 is an apocalyptic number.

11203201023 is a deficient number, since it is larger than the sum of its proper divisors (5868343425).

11203201023 is an equidigital number, since it uses as much as digits as its factorization.

11203201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533485773.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11203201023 its reverse (32010230211), we get a palindrome (43213431234).

It can be divided in two parts, 11203 and 201023, that added together give a triangular number (212226 = T₆₅₁).

The spelling of 11203201023 in words is "eleven billion, two hundred three million, two hundred one thousand, twenty-three".