121213232023 has 8 divisors (see below), whose sum is σ = 138215993328. Its totient is φ = 105307423104.

The previous prime is 121213232017. The next prime is 121213232033. The reversal of 121213232023 is 320232312121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121213232023 - 2³³ = 112623297431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121213231985 and 121213232003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121213232033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274237861 + ... + 274238302.

It is an arithmetic number, because the mean of its divisors is an integer number (17276999166).

Almost surely, 2^121213232023 is an apocalyptic number.

121213232023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121213232023 is a deficient number, since it is larger than the sum of its proper divisors (17002761305).

121213232023 is a wasteful number, since it uses less digits than its factorization.

121213232023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548476193.

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

Adding to 121213232023 its reverse (320232312121), we get a palindrome (441445544144).

The spelling of 121213232023 in words is "one hundred twenty-one billion, two hundred thirteen million, two hundred thirty-two thousand, twenty-three".