11423451203 has 4 divisors (see below), whose sum is σ = 11617069080. Its totient is φ = 11229833328.

The previous prime is 11423451107. The next prime is 11423451217. The reversal of 11423451203 is 30215432411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11423451203 - 2¹² = 11423447107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11423451233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96808850 + ... + 96808967.

It is an arithmetic number, because the mean of its divisors is an integer number (2904267270).

Almost surely, 2^11423451203 is an apocalyptic number.

11423451203 is a deficient number, since it is larger than the sum of its proper divisors (193617877).

11423451203 is an equidigital number, since it uses as much as digits as its factorization.

11423451203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193617876.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 11423451203 its reverse (30215432411), we get a palindrome (41638883614).

The spelling of 11423451203 in words is "eleven billion, four hundred twenty-three million, four hundred fifty-one thousand, two hundred three".