123010010100001 has 4 divisors (see below), whose sum is σ = 124098594260292. Its totient is φ = 121921425939712.

The previous prime is 123010010099987. The next prime is 123010010100017. The reversal of 123010010100001 is 100001010010321.

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 32492006430976 + 90518003669025 = 5700176^2 + 9514095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123010010100001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123010010100091) 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, 544292079976 + ... + 544292080201.

It is an arithmetic number, because the mean of its divisors is an integer number (31024648565073).

Almost surely, 2^{123010010100001} is an apocalyptic number.

It is an amenable number.

123010010100001 is a deficient number, since it is larger than the sum of its proper divisors (1088584160291).

123010010100001 is a wasteful number, since it uses less digits than its factorization.

123010010100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088584160290.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 123010010100001 its reverse (100001010010321), we get a palindrome (223011020110322).

The spelling of 123010010100001 in words is "one hundred twenty-three trillion, ten billion, ten million, one hundred thousand, one".