123421355301 has 16 divisors (see below), whose sum is σ = 171234134784. Its totient is φ = 79010802624.

The previous prime is 123421355269. The next prime is 123421355353. The reversal of 123421355301 is 103553124321.

It is not a de Polignac number, because 123421355301 - 2⁵ = 123421355269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123421355201) 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, 8250346 + ... + 8265291.

It is an arithmetic number, because the mean of its divisors is an integer number (10702133424).

Almost surely, 2^123421355301 is an apocalyptic number.

It is an amenable number.

123421355301 is a deficient number, since it is larger than the sum of its proper divisors (47812779483).

123421355301 is a wasteful number, since it uses less digits than its factorization.

123421355301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16515740.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 123421355301 its reverse (103553124321), we get a palindrome (226974479622).

The spelling of 123421355301 in words is "one hundred twenty-three billion, four hundred twenty-one million, three hundred fifty-five thousand, three hundred one".