42523934312 has 8 divisors (see below), whose sum is σ = 79732376850. Its totient is φ = 21261967152.

The previous prime is 42523934311. The next prime is 42523934347. The reversal of 42523934312 is 21343932524.

It can be written as a sum of positive squares in only one way, i.e., 26447215876 + 16076718436 = 162626^2 + 126794^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (42523934311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2657745887 + ... + 2657745902.

Almost surely, 2^42523934312 is an apocalyptic number.

It is an amenable number.

42523934312 is a deficient number, since it is larger than the sum of its proper divisors (37208442538).

42523934312 is a wasteful number, since it uses less digits than its factorization.

42523934312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315491795 (or 5315491791 counting only the distinct ones).

The product of its digits is 155520, while the sum is 38.

The spelling of 42523934312 in words is "forty-two billion, five hundred twenty-three million, nine hundred thirty-four thousand, three hundred twelve".