11203213423 has 2 divisors, whose sum is σ = 11203213424. Its totient is φ = 11203213422.

The previous prime is 11203213397. The next prime is 11203213459. The reversal of 11203213423 is 32431230211.

It is a weak prime.

It is an emirp because it is prime and its reverse (32431230211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11203213423 - 2¹³ = 11203205231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11203213394 and 11203213403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11203213123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601606711 + 5601606712.

It is an arithmetic number, because the mean of its divisors is an integer number (5601606712).

Almost surely, 2^11203213423 is an apocalyptic number.

11203213423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11203213423 is an equidigital number, since it uses as much as digits as its factorization.

11203213423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11203213423 its reverse (32431230211), we get a palindrome (43634443634).

The spelling of 11203213423 in words is "eleven billion, two hundred three million, two hundred thirteen thousand, four hundred twenty-three".