423344145077 has 16 divisors (see below), whose sum is σ = 488465040000. Its totient is φ = 359398002240.

The previous prime is 423344145053. The next prime is 423344145079. The reversal of 423344145077 is 770541443324.

It is a cyclic number.

It is not a de Polignac number, because 423344145077 - 2¹² = 423344140981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423344145079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217499 + ... + 945512.

It is an arithmetic number, because the mean of its divisors is an integer number (30529065000).

Almost surely, 2^423344145077 is an apocalyptic number.

It is an amenable number.

423344145077 is a deficient number, since it is larger than the sum of its proper divisors (65120894923).

423344145077 is a wasteful number, since it uses less digits than its factorization.

423344145077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163516.

The product of its (nonzero) digits is 1128960, while the sum is 44.

The spelling of 423344145077 in words is "four hundred twenty-three billion, three hundred forty-four million, one hundred forty-five thousand, seventy-seven".