68423309232 has 20 divisors (see below), whose sum is σ = 176760215640. Its totient is φ = 22807769728.

The previous prime is 68423309191. The next prime is 68423309249. The reversal of 68423309232 is 23290332486.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712742757 + ... + 712742852.

It is an arithmetic number, because the mean of its divisors is an integer number (8838010782).

Almost surely, 2^68423309232 is an apocalyptic number.

It is an amenable number.

68423309232 is an abundant number, since it is smaller than the sum of its proper divisors (108336906408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68423309232 is a wasteful number, since it uses less digits than its factorization.

68423309232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425485620 (or 1425485614 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 68423309232 in words is "sixty-eight billion, four hundred twenty-three million, three hundred nine thousand, two hundred thirty-two".