121312322023 has 2 divisors, whose sum is σ = 121312322024. Its totient is φ = 121312322022.

The previous prime is 121312321987. The next prime is 121312322029. The reversal of 121312322023 is 320223213121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121312322023 - 2¹³ = 121312313831 is a prime.

It is a super-2 number, since 2×121312322023² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121312321985 and 121312322003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121312322029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60656161011 + 60656161012.

It is an arithmetic number, because the mean of its divisors is an integer number (60656161012).

Almost surely, 2^121312322023 is an apocalyptic number.

121312322023 is a deficient number, since it is larger than the sum of its proper divisors (1).

121312322023 is an equidigital number, since it uses as much as digits as its factorization.

121312322023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 121312322023 its reverse (320223213121), we get a palindrome (441535535144).

The spelling of 121312322023 in words is "one hundred twenty-one billion, three hundred twelve million, three hundred twenty-two thousand, twenty-three".