423240440044222 has 8 divisors (see below), whose sum is σ = 652019056284456. Its totient is φ = 205900754616072.

The previous prime is 423240440044139. The next prime is 423240440044229. The reversal of 423240440044222 is 222440044042324.

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

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423240440044229) 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, 2859732702928 + ... + 2859732703075.

It is an arithmetic number, because the mean of its divisors is an integer number (81502382035557).

Almost surely, 2^{423240440044222} is an apocalyptic number.

423240440044222 is a deficient number, since it is larger than the sum of its proper divisors (228778616240234).

423240440044222 is a wasteful number, since it uses less digits than its factorization.

423240440044222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5719465406042.

The product of its (nonzero) digits is 393216, while the sum is 37.

Adding to 423240440044222 its reverse (222440044042324), we get a palindrome (645680484086546).

The spelling of 423240440044222 in words is "four hundred twenty-three trillion, two hundred forty billion, four hundred forty million, forty-four thousand, two hundred twenty-two".