121030200023 has 8 divisors (see below), whose sum is σ = 122626562688. Its totient is φ = 119437127224.

The previous prime is 121030200001. The next prime is 121030200091. The reversal of 121030200023 is 320002030121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121030200023 - 2⁸ = 121030199767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121030199980 and 121030200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121033200023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748361 + ... + 895602.

It is an arithmetic number, because the mean of its divisors is an integer number (15328320336).

Almost surely, 2^121030200023 is an apocalyptic number.

121030200023 is a deficient number, since it is larger than the sum of its proper divisors (1596362665).

121030200023 is an equidigital number, since it uses as much as digits as its factorization.

121030200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644933.

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

Adding to 121030200023 its reverse (320002030121), we get a palindrome (441032230144).

The spelling of 121030200023 in words is "one hundred twenty-one billion, thirty million, two hundred thousand, twenty-three".