121323310201023 has 32 divisors (see below), whose sum is σ = 184968821761536. Its totient is φ = 69291912682368.

The previous prime is 121323310200931. The next prime is 121323310201043. The reversal of 121323310201023 is 320102013323121.

It is not a de Polignac number, because 121323310201023 - 2¹³ = 121323310192831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121323310200984 and 121323310201002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121323310201043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323516661 + ... + 323891457.

It is an arithmetic number, because the mean of its divisors is an integer number (5780275680048).

Almost surely, 2^{121323310201023} is an apocalyptic number.

121323310201023 is a deficient number, since it is larger than the sum of its proper divisors (63645511560513).

121323310201023 is a wasteful number, since it uses less digits than its factorization.

121323310201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382703.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 121323310201023 its reverse (320102013323121), we get a palindrome (441425323524144).

The spelling of 121323310201023 in words is "one hundred twenty-one trillion, three hundred twenty-three billion, three hundred ten million, two hundred one thousand, twenty-three".