123401632013 has 8 divisors (see below), whose sum is σ = 135324781056. Its totient is φ = 111595952800.

The previous prime is 123401632009. The next prime is 123401632019. The reversal of 123401632013 is 310236104321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123401632013 - 2² = 123401632009 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 (123401632019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29365256 + ... + 29369457.

It is an arithmetic number, because the mean of its divisors is an integer number (16915597632).

Almost surely, 2^123401632013 is an apocalyptic number.

It is an amenable number.

123401632013 is a deficient number, since it is larger than the sum of its proper divisors (11923149043).

123401632013 is a wasteful number, since it uses less digits than its factorization.

123401632013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58734915.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 123401632013 its reverse (310236104321), we get a palindrome (433637736334).

The spelling of 123401632013 in words is "one hundred twenty-three billion, four hundred one million, six hundred thirty-two thousand, thirteen".