123421325151 has 16 divisors (see below), whose sum is σ = 164976888960. Its totient is φ = 82073486880.

The previous prime is 123421325147. The next prime is 123421325171. The reversal of 123421325151 is 151523124321.

It is a happy number.

It is not a de Polignac number, because 123421325151 - 2² = 123421325147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123421325171) 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, 3190441 + ... + 3228893.

It is an arithmetic number, because the mean of its divisors is an integer number (10311055560).

Almost surely, 2^123421325151 is an apocalyptic number.

123421325151 is a deficient number, since it is larger than the sum of its proper divisors (41555563809).

123421325151 is a wasteful number, since it uses less digits than its factorization.

123421325151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41126.

The product of its digits is 7200, while the sum is 30.

Adding to 123421325151 its reverse (151523124321), we get a palindrome (274944449472).

The spelling of 123421325151 in words is "one hundred twenty-three billion, four hundred twenty-one million, three hundred twenty-five thousand, one hundred fifty-one".