42723570253 has 12 divisors (see below), whose sum is σ = 53521836060. Its totient is φ = 33803263872.

The previous prime is 42723570143. The next prime is 42723570311. The reversal of 42723570253 is 35207532724.

It can be written as a sum of positive squares in 2 ways, for example, as 4933376644 + 37790193609 = 70238^2 + 194397^2 .

It is not a de Polignac number, because 42723570253 - 2¹⁷ = 42723439181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42723579253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33534348 + ... + 33535621.

It is an arithmetic number, because the mean of its divisors is an integer number (4460153005).

Almost surely, 2^42723570253 is an apocalyptic number.

It is an amenable number.

42723570253 is a deficient number, since it is larger than the sum of its proper divisors (10798265807).

42723570253 is a wasteful number, since it uses less digits than its factorization.

42723570253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67069996 (or 67069989 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 40.

The spelling of 42723570253 in words is "forty-two billion, seven hundred twenty-three million, five hundred seventy thousand, two hundred fifty-three".