423142393966 has 16 divisors (see below), whose sum is σ = 686176857360. Its totient is φ = 195018684480.

The previous prime is 423142393951. The next prime is 423142393967. The reversal of 423142393966 is 669393241324.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423142393967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150475975 + ... + 150478786.

It is an arithmetic number, because the mean of its divisors is an integer number (42886053585).

Almost surely, 2^423142393966 is an apocalyptic number.

423142393966 is a deficient number, since it is larger than the sum of its proper divisors (263034463394).

423142393966 is a wasteful number, since it uses less digits than its factorization.

423142393966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300954819.

The product of its digits is 5038848, while the sum is 52.

The spelling of 423142393966 in words is "four hundred twenty-three billion, one hundred forty-two million, three hundred ninety-three thousand, nine hundred sixty-six".