23202203123 has 4 divisors (see below), whose sum is σ = 25311494328. Its totient is φ = 21092911920.

The previous prime is 23202203119. The next prime is 23202203137. The reversal of 23202203123 is 32130220232.

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 23202203123 - 2² = 23202203119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23202203095 and 23202203104.

It is not an unprimeable number, because it can be changed into a prime (23202203173) 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, 1054645586 + ... + 1054645607.

It is an arithmetic number, because the mean of its divisors is an integer number (6327873582).

Almost surely, 2^23202203123 is an apocalyptic number.

23202203123 is a deficient number, since it is larger than the sum of its proper divisors (2109291205).

23202203123 is a wasteful number, since it uses less digits than its factorization.

23202203123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109291204.

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

Adding to 23202203123 its reverse (32130220232), we get a palindrome (55332423355).

The spelling of 23202203123 in words is "twenty-three billion, two hundred two million, two hundred three thousand, one hundred twenty-three".