423324155541 has 64 divisors (see below), whose sum is σ = 697649356800. Its totient is φ = 223062149376.

The previous prime is 423324155531. The next prime is 423324155581. The reversal of 423324155541 is 145551423324.

It is not a de Polignac number, because 423324155541 - 2⁷ = 423324155413 is a prime.

It is a super-2 number, since 2×423324155541² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423324155541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423324155531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1839280 + ... + 2056598.

It is an arithmetic number, because the mean of its divisors is an integer number (10900771200).

Almost surely, 2^423324155541 is an apocalyptic number.

It is an amenable number.

423324155541 is a deficient number, since it is larger than the sum of its proper divisors (274325201259).

423324155541 is a wasteful number, since it uses less digits than its factorization.

423324155541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217498.

The product of its digits is 288000, while the sum is 39.

Adding to 423324155541 its reverse (145551423324), we get a palindrome (568875578865).

The spelling of 423324155541 in words is "four hundred twenty-three billion, three hundred twenty-four million, one hundred fifty-five thousand, five hundred forty-one".