23012442203 has 4 divisors (see below), whose sum is σ = 23216092248. Its totient is φ = 22808792160.

The previous prime is 23012442197. The next prime is 23012442217. The reversal of 23012442203 is 30224421032.

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 23012442203 - 2³² = 18717474907 is a prime.

It is a super-2 number, since 2×23012442203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23012442253) 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, 101824853 + ... + 101825078.

It is an arithmetic number, because the mean of its divisors is an integer number (5804023062).

Almost surely, 2^23012442203 is an apocalyptic number.

23012442203 is a deficient number, since it is larger than the sum of its proper divisors (203650045).

23012442203 is a wasteful number, since it uses less digits than its factorization.

23012442203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203650044.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 23012442203 its reverse (30224421032), we get a palindrome (53236863235).

The spelling of 23012442203 in words is "twenty-three billion, twelve million, four hundred forty-two thousand, two hundred three".