123421325201 has 16 divisors (see below), whose sum is σ = 135363870720. Its totient is φ = 112413971520.

The previous prime is 123421325191. The next prime is 123421325239. The reversal of 123421325201 is 102523124321.

It is not a de Polignac number, because 123421325201 - 2²² = 123417130897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123421321201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252881 + ... + 557486.

It is an arithmetic number, because the mean of its divisors is an integer number (8460241920).

Almost surely, 2^123421325201 is an apocalyptic number.

It is an amenable number.

123421325201 is a deficient number, since it is larger than the sum of its proper divisors (11942545519).

123421325201 is an frugal number, since it uses more digits than its factorization.

123421325201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810449 (or 810415 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 123421325201 its reverse (102523124321), we get a palindrome (225944449522).

The spelling of 123421325201 in words is "one hundred twenty-three billion, four hundred twenty-one million, three hundred twenty-five thousand, two hundred one".