21232307067 has 8 divisors (see below), whose sum is σ = 28310451024. Its totient is φ = 14154517248.

The previous prime is 21232307053. The next prime is 21232307071. The reversal of 21232307067 is 76070323212.

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

It is not a de Polignac number, because 21232307067 - 2¹⁴ = 21232290683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21232307087) 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, 124803 + ... + 240915.

It is an arithmetic number, because the mean of its divisors is an integer number (3538806378).

Almost surely, 2^21232307067 is an apocalyptic number.

21232307067 is a deficient number, since it is larger than the sum of its proper divisors (7078143957).

21232307067 is a wasteful number, since it uses less digits than its factorization.

21232307067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177069.

The product of its (nonzero) digits is 21168, while the sum is 33.

The spelling of 21232307067 in words is "twenty-one billion, two hundred thirty-two million, three hundred seven thousand, sixty-seven".