121144304304023 has 64 divisors (see below), whose sum is σ = 168329440742400. Its totient is φ = 84099372456960.

The previous prime is 121144304304011. The next prime is 121144304304043. The reversal of 121144304304023 is 320403403441121.

It is not a de Polignac number, because 121144304304023 - 2¹⁶ = 121144304238487 is a prime.

It is a super-3 number, since 3×121144304304023³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121144304304043) 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 63 ways as a sum of consecutive naturals, for example, 74056715 + ... + 75674867.

It is an arithmetic number, because the mean of its divisors is an integer number (2630147511600).

Almost surely, 2^{121144304304023} is an apocalyptic number.

121144304304023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121144304304023 is a deficient number, since it is larger than the sum of its proper divisors (47185136438377).

121144304304023 is a wasteful number, since it uses less digits than its factorization.

121144304304023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620792.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 121144304304023 its reverse (320403403441121), we get a palindrome (441547707745144).

The spelling of 121144304304023 in words is "one hundred twenty-one trillion, one hundred forty-four billion, three hundred four million, three hundred four thousand, twenty-three".