423393545138 has 32 divisors (see below), whose sum is σ = 674094597120. Its totient is φ = 199013407120.

The previous prime is 423393545111. The next prime is 423393545177. The reversal of 423393545138 is 831545393324.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13203881 + ... + 13235907.

It is an arithmetic number, because the mean of its divisors is an integer number (21065456160).

Almost surely, 2^423393545138 is an apocalyptic number.

423393545138 is a deficient number, since it is larger than the sum of its proper divisors (250701051982).

423393545138 is a wasteful number, since it uses less digits than its factorization.

423393545138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36982.

The product of its digits is 4665600, while the sum is 50.

The spelling of 423393545138 in words is "four hundred twenty-three billion, three hundred ninety-three million, five hundred forty-five thousand, one hundred thirty-eight".