423755657140 has 24 divisors (see below), whose sum is σ = 901151274240. Its totient is φ = 167356663968.

The previous prime is 423755657063. The next prime is 423755657147. The reversal of 423755657140 is 41756557324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423755657147) 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, 134098312 + ... + 134101471.

It is an arithmetic number, because the mean of its divisors is an integer number (37547969760).

Almost surely, 2^423755657140 is an apocalyptic number.

It is an amenable number.

423755657140 is an abundant number, since it is smaller than the sum of its proper divisors (477395617100).

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

423755657140 is a wasteful number, since it uses less digits than its factorization.

423755657140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268199871 (or 268199869 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 423755657140 in words is "four hundred twenty-three billion, seven hundred fifty-five million, six hundred fifty-seven thousand, one hundred forty".