123106601321 has 16 divisors (see below), whose sum is σ = 140382747648. Its totient is φ = 106861616400.

The previous prime is 123106601279. The next prime is 123106601329.

123106601321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 123106601321 - 2³⁴ = 105926732137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123106601329) 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, 281621 + ... + 570546.

It is an arithmetic number, because the mean of its divisors is an integer number (8773921728).

Almost surely, 2^123106601321 is an apocalyptic number.

123106601321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123106601321 is a deficient number, since it is larger than the sum of its proper divisors (17276146327).

123106601321 is a wasteful number, since it uses less digits than its factorization.

123106601321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852772.

The product of its (nonzero) digits is 1296, while the sum is 26.

It can be divided in two parts, 123106 and 601321, that added together give a palindrome (724427).

The spelling of 123106601321 in words is "one hundred twenty-three billion, one hundred six million, six hundred one thousand, three hundred twenty-one".