12423423101 has 4 divisors (see below), whose sum is σ = 12469607100. Its totient is φ = 12377239104.

The previous prime is 12423423007. The next prime is 12423423127. The reversal of 12423423101 is 10132432421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2525163001 + 9898260100 = 50251^2 + 99490^2 .

It is a cyclic number.

It is not a de Polignac number, because 12423423101 - 2²⁶ = 12356314237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423423301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23091596 + ... + 23092133.

It is an arithmetic number, because the mean of its divisors is an integer number (3117401775).

Almost surely, 2^12423423101 is an apocalyptic number.

It is an amenable number.

12423423101 is a deficient number, since it is larger than the sum of its proper divisors (46183999).

12423423101 is an equidigital number, since it uses as much as digits as its factorization.

12423423101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46183998.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12423423101 its reverse (10132432421), we get a palindrome (22555855522).

The spelling of 12423423101 in words is "twelve billion, four hundred twenty-three million, four hundred twenty-three thousand, one hundred one".