121013023 has 4 divisors (see below), whose sum is σ = 121066848. Its totient is φ = 120959200.

The previous prime is 121013003. The next prime is 121013047. The reversal of 121013023 is 320310121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121013023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121012994 and 121013012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013003) 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, 23386 + ... + 28087.

It is an arithmetic number, because the mean of its divisors is an integer number (30266712).

Almost surely, 2^121013023 is an apocalyptic number.

121013023 is a deficient number, since it is larger than the sum of its proper divisors (53825).

121013023 is an equidigital number, since it uses as much as digits as its factorization.

121013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53824.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 121013023 is about 11000.5919386186. The cubic root of 121013023 is about 494.6264882880.

Adding to 121013023 its reverse (320310121), we get a palindrome (441323144).

The spelling of 121013023 in words is "one hundred twenty-one million, thirteen thousand, twenty-three".