121312010123023 has 4 divisors (see below), whose sum is σ = 123368145887880. Its totient is φ = 119255874358168.

The previous prime is 121312010122991. The next prime is 121312010123039. The reversal of 121312010123023 is 320321010213121.

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

It is a cyclic number.

It is not a de Polignac number, because 121312010123023 - 2⁵ = 121312010122991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121312010122985 and 121312010123003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121312010127023) 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, 1028067882340 + ... + 1028067882457.

It is an arithmetic number, because the mean of its divisors is an integer number (30842036471970).

Almost surely, 2^{121312010123023} is an apocalyptic number.

121312010123023 is a deficient number, since it is larger than the sum of its proper divisors (2056135764857).

121312010123023 is an equidigital number, since it uses as much as digits as its factorization.

121312010123023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056135764856.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121312010123023 its reverse (320321010213121), we get a palindrome (441633020336144).

The spelling of 121312010123023 in words is "one hundred twenty-one trillion, three hundred twelve billion, ten million, one hundred twenty-three thousand, twenty-three".