423341233220051 has 4 divisors (see below), whose sum is σ = 423373234233600. Its totient is φ = 423309232206504.

The previous prime is 423341233220021. The next prime is 423341233220063. The reversal of 423341233220051 is 150022332143324.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423341233220051 is a prime.

It is a super-2 number, since 2×423341233220051² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423341233219993 and 423341233220020.

It is not an unprimeable number, because it can be changed into a prime (423341233220011) 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, 16000486931 + ... + 16000513388.

It is an arithmetic number, because the mean of its divisors is an integer number (105843308558400).

Almost surely, 2^{423341233220051} is an apocalyptic number.

423341233220051 is a deficient number, since it is larger than the sum of its proper divisors (32001013549).

423341233220051 is a wasteful number, since it uses less digits than its factorization.

423341233220051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32001013548.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 423341233220051 its reverse (150022332143324), we get a palindrome (573363565363375).

The spelling of 423341233220051 in words is "four hundred twenty-three trillion, three hundred forty-one billion, two hundred thirty-three million, two hundred twenty thousand, fifty-one".