121413023 has 2 divisors, whose sum is σ = 121413024. Its totient is φ = 121413022.

The previous prime is 121413011. The next prime is 121413041. The reversal of 121413023 is 320314121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121413023 - 2¹⁶ = 121347487 is a prime.

It is a super-2 number, since 2×121413023² = 29482244307997058, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 121412992 and 121413010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121413043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60706511 + 60706512.

It is an arithmetic number, because the mean of its divisors is an integer number (60706512).

Almost surely, 2^121413023 is an apocalyptic number.

121413023 is a deficient number, since it is larger than the sum of its proper divisors (1).

121413023 is an equidigital number, since it uses as much as digits as its factorization.

121413023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 121413023 is about 11018.7577793506. The cubic root of 121413023 is about 495.1708732258.

Adding to 121413023 its reverse (320314121), we get a palindrome (441727144).

The spelling of 121413023 in words is "one hundred twenty-one million, four hundred thirteen thousand, twenty-three".