123051351423001 has 4 divisors (see below), whose sum is σ = 127294501472100. Its totient is φ = 118808201373904.

The previous prime is 123051351422959. The next prime is 123051351423127. The reversal of 123051351423001 is 100324153150321.

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 94057003493401 + 28994347929600 = 9698299^2 + 5384640^2 .

It is a cyclic number.

It is not a de Polignac number, because 123051351423001 - 2³¹ = 123049203939353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123051351426001) 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, 2121575024506 + ... + 2121575024563.

It is an arithmetic number, because the mean of its divisors is an integer number (31823625368025).

Almost surely, 2^{123051351423001} is an apocalyptic number.

It is an amenable number.

123051351423001 is a deficient number, since it is larger than the sum of its proper divisors (4243150049099).

123051351423001 is an equidigital number, since it uses as much as digits as its factorization.

123051351423001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243150049098.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 123051351423001 in words is "one hundred twenty-three trillion, fifty-one billion, three hundred fifty-one million, four hundred twenty-three thousand, one".