32123400013 has 4 divisors (see below), whose sum is σ = 32667864480. Its totient is φ = 31578935548.

The previous prime is 32123399993. The next prime is 32123400017. The reversal of 32123400013 is 31000432123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31000432123 = 7853 ⋅3947591.

It is a cyclic number.

It is not a de Polignac number, because 32123400013 - 2⁹ = 32123399501 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 (32123400017) 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, 272232145 + ... + 272232262.

It is an arithmetic number, because the mean of its divisors is an integer number (8166966120).

Almost surely, 2^32123400013 is an apocalyptic number.

It is an amenable number.

32123400013 is a deficient number, since it is larger than the sum of its proper divisors (544464467).

32123400013 is an equidigital number, since it uses as much as digits as its factorization.

32123400013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544464466.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 32123400013 its reverse (31000432123), we get a palindrome (63123832136).

The spelling of 32123400013 in words is "thirty-two billion, one hundred twenty-three million, four hundred thousand, thirteen".