121322510023 has 8 divisors (see below), whose sum is σ = 142532739216. Its totient is φ = 101809099200.

The previous prime is 121322509993. The next prime is 121322510093. The reversal of 121322510023 is 320015223121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121322510023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121322509976 and 121322510003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121322510093) 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, 424204438 + ... + 424204723.

It is an arithmetic number, because the mean of its divisors is an integer number (17816592402).

Almost surely, 2^121322510023 is an apocalyptic number.

121322510023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121322510023 is a deficient number, since it is larger than the sum of its proper divisors (21210229193).

121322510023 is a wasteful number, since it uses less digits than its factorization.

121322510023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848409185.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 121322510023 its reverse (320015223121), we get a palindrome (441337733144).

The spelling of 121322510023 in words is "one hundred twenty-one billion, three hundred twenty-two million, five hundred ten thousand, twenty-three".