32123144445446 has 4 divisors (see below), whose sum is σ = 48184716668172. Its totient is φ = 16061572222722.

The previous prime is 32123144445397. The next prime is 32123144445449. The reversal of 32123144445446 is 64454444132123.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 32123144445446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32123144445449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8030786111360 + ... + 8030786111363.

It is an arithmetic number, because the mean of its divisors is an integer number (12046179167043).

Almost surely, 2^{32123144445446} is an apocalyptic number.

32123144445446 is a deficient number, since it is larger than the sum of its proper divisors (16061572222726).

32123144445446 is a wasteful number, since it uses less digits than its factorization.

32123144445446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16061572222725.

The product of its digits is 4423680, while the sum is 47.

Adding to 32123144445446 its reverse (64454444132123), we get a palindrome (96577588577569).

The spelling of 32123144445446 in words is "thirty-two trillion, one hundred twenty-three billion, one hundred forty-four million, four hundred forty-five thousand, four hundred forty-six".