12421232023 has 8 divisors (see below), whose sum is σ = 12716128656. Its totient is φ = 12126609600.

The previous prime is 12421232011. The next prime is 12421232027. The reversal of 12421232023 is 32023212421.

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

It is a cyclic number.

It is not a de Polignac number, because 12421232023 - 2¹³ = 12421223831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12421231985 and 12421232003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421232027) 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, 24603 + ... + 159523.

It is an arithmetic number, because the mean of its divisors is an integer number (1589516082).

Almost surely, 2^12421232023 is an apocalyptic number.

12421232023 is a deficient number, since it is larger than the sum of its proper divisors (294896633).

12421232023 is a wasteful number, since it uses less digits than its factorization.

12421232023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137105.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12421232023 its reverse (32023212421), we get a palindrome (44444444444).

The spelling of 12421232023 in words is "twelve billion, four hundred twenty-one million, two hundred thirty-two thousand, twenty-three".