123431404301 has 4 divisors (see below), whose sum is σ = 123444963900. Its totient is φ = 123417844704.

The previous prime is 123431404259. The next prime is 123431404307. The reversal of 123431404301 is 103404134321.

It is a happy number.

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 55649281801 + 67782122500 = 235901^2 + 260350^2 .

It is a cyclic number.

It is not a de Polignac number, because 123431404301 - 2⁶ = 123431404237 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 (123431404307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6766136 + ... + 6784353.

It is an arithmetic number, because the mean of its divisors is an integer number (30861240975).

Almost surely, 2^123431404301 is an apocalyptic number.

It is an amenable number.

123431404301 is a deficient number, since it is larger than the sum of its proper divisors (13559599).

123431404301 is an equidigital number, since it uses as much as digits as its factorization.

123431404301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13559598.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 123431404301 its reverse (103404134321), we get a palindrome (226835538622).

The spelling of 123431404301 in words is "one hundred twenty-three billion, four hundred thirty-one million, four hundred four thousand, three hundred one".