23202123203 has 4 divisors (see below), whose sum is σ = 26516712240. Its totient is φ = 19887534168.

The previous prime is 23202123193. The next prime is 23202123257. The reversal of 23202123203 is 30232120232.

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 23202123203 - 2²² = 23197928899 is a prime.

It is a super-2 number, since 2×23202123203² (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 (23202128203) 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, 1657294508 + ... + 1657294521.

It is an arithmetic number, because the mean of its divisors is an integer number (6629178060).

Almost surely, 2^23202123203 is an apocalyptic number.

23202123203 is a deficient number, since it is larger than the sum of its proper divisors (3314589037).

23202123203 is an equidigital number, since it uses as much as digits as its factorization.

23202123203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314589036.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23202123203 its reverse (30232120232), we get a palindrome (53434243435).

The spelling of 23202123203 in words is "twenty-three billion, two hundred two million, one hundred twenty-three thousand, two hundred three".