23203000121 has 16 divisors (see below), whose sum is σ = 26709027840. Its totient is φ = 19745162640.

The previous prime is 23203000097. The next prime is 23203000129. The reversal of 23203000121 is 12100030232.

It is a happy number.

It is not a de Polignac number, because 23203000121 - 2⁶ = 23203000057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23203000096 and 23203000105.

It is not an unprimeable number, because it can be changed into a prime (23203000129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775970 + ... + 805316.

It is an arithmetic number, because the mean of its divisors is an integer number (1669314240).

Almost surely, 2^23203000121 is an apocalyptic number.

It is an amenable number.

23203000121 is a deficient number, since it is larger than the sum of its proper divisors (3506027719).

23203000121 is a wasteful number, since it uses less digits than its factorization.

23203000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30164.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23203000121 its reverse (12100030232), we get a palindrome (35303030353).

The spelling of 23203000121 in words is "twenty-three billion, two hundred three million, one hundred twenty-one", and thus it is an aban number.