121310303023 has 16 divisors (see below), whose sum is σ = 155796512256. Its totient is φ = 91808655840.

The previous prime is 121310303021. The next prime is 121310303033. The reversal of 121310303023 is 320303013121.

It is a cyclic number.

It is not a de Polignac number, because 121310303023 - 2¹ = 121310303021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121310303021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28977913 + ... + 28982098.

It is an arithmetic number, because the mean of its divisors is an integer number (9737282016).

Almost surely, 2^121310303023 is an apocalyptic number.

121310303023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121310303023 is a deficient number, since it is larger than the sum of its proper divisors (34486209233).

121310303023 is a wasteful number, since it uses less digits than its factorization.

121310303023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57960054.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 121310303023 its reverse (320303013121), we get a palindrome (441613316144).

The spelling of 121310303023 in words is "one hundred twenty-one billion, three hundred ten million, three hundred three thousand, twenty-three".