121030423 has 8 divisors (see below), whose sum is σ = 125544848. Its totient is φ = 116593344.

The previous prime is 121030391. The next prime is 121030433. The reversal of 121030423 is 324030121.

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 121030423 - 2⁵ = 121030391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121030397 and 121030406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121030433) 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, 16140 + ... + 22417.

It is an arithmetic number, because the mean of its divisors is an integer number (15693106).

Almost surely, 2^121030423 is an apocalyptic number.

121030423 is a deficient number, since it is larger than the sum of its proper divisors (4514425).

121030423 is an equidigital number, since it uses as much as digits as its factorization.

121030423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38673.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 121030423 is about 11001.3827767240. The cubic root of 121030423 is about 494.6501939692.

Adding to 121030423 its reverse (324030121), we get a palindrome (445060544).

The spelling of 121030423 in words is "one hundred twenty-one million, thirty thousand, four hundred twenty-three".