32145051423421 has 32 divisors (see below), whose sum is σ = 34958261145600. Its totient is φ = 29445670800000.

The previous prime is 32145051423409. The next prime is 32145051423449. The reversal of 32145051423421 is 12432415054123.

It is a cyclic number.

It is not a de Polignac number, because 32145051423421 - 2⁵ = 32145051423389 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 (32145051421421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4827305790 + ... + 4827312448.

It is an arithmetic number, because the mean of its divisors is an integer number (1092445660800).

Almost surely, 2^{32145051423421} is an apocalyptic number.

32145051423421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

32145051423421 is a deficient number, since it is larger than the sum of its proper divisors (2813209722179).

32145051423421 is a wasteful number, since it uses less digits than its factorization.

32145051423421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12481.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 32145051423421 its reverse (12432415054123), we get a palindrome (44577466477544).

The spelling of 32145051423421 in words is "thirty-two trillion, one hundred forty-five billion, fifty-one million, four hundred twenty-three thousand, four hundred twenty-one".