423944353077 has 48 divisors (see below), whose sum is σ = 666977516352. Its totient is φ = 238799232000.

The previous prime is 423944353069. The next prime is 423944353111. The reversal of 423944353077 is 770353449324.

It is not a de Polignac number, because 423944353077 - 2³ = 423944353069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423944353037) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3519783 + ... + 3638235.

It is an arithmetic number, because the mean of its divisors is an integer number (13895364924).

Almost surely, 2^423944353077 is an apocalyptic number.

It is an amenable number.

423944353077 is a deficient number, since it is larger than the sum of its proper divisors (243033163275).

423944353077 is a wasteful number, since it uses less digits than its factorization.

423944353077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118818 (or 118811 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 51.

The spelling of 423944353077 in words is "four hundred twenty-three billion, nine hundred forty-four million, three hundred fifty-three thousand, seventy-seven".