120421000023 has 8 divisors (see below), whose sum is σ = 161584017648. Its totient is φ = 79769324544.

The previous prime is 120421000009. The next prime is 120421000061. The reversal of 120421000023 is 320000124021.

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

It is not a de Polignac number, because 120421000023 - 2⁸ = 120420999767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120420999966 and 120421000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120421000223) 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, 127834986 + ... + 127835927.

It is an arithmetic number, because the mean of its divisors is an integer number (20198002206).

Almost surely, 2^120421000023 is an apocalyptic number.

120421000023 is a deficient number, since it is larger than the sum of its proper divisors (41163017625).

120421000023 is a wasteful number, since it uses less digits than its factorization.

120421000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255671073.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 120421000023 its reverse (320000124021), we get a palindrome (440421124044).

The spelling of 120421000023 in words is "one hundred twenty billion, four hundred twenty-one million, twenty-three", and thus it is an aban number.