42233012321 has 8 divisors (see below), whose sum is σ = 44114826624. Its totient is φ = 40354997760.

The previous prime is 42233012309. The next prime is 42233012369. The reversal of 42233012321 is 12321033224.

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

It is not a de Polignac number, because 42233012321 - 2⁶ = 42233012257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42233012221) 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, 927200 + ... + 971681.

It is an arithmetic number, because the mean of its divisors is an integer number (5514353328).

Almost surely, 2^42233012321 is an apocalyptic number.

It is an amenable number.

42233012321 is a deficient number, since it is larger than the sum of its proper divisors (1881814303).

42233012321 is a wasteful number, since it uses less digits than its factorization.

42233012321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899871.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 42233012321 its reverse (12321033224), we get a palindrome (54554045545).

The spelling of 42233012321 in words is "forty-two billion, two hundred thirty-three million, twelve thousand, three hundred twenty-one".