63040574423 has 4 divisors (see below), whose sum is σ = 63044453760. Its totient is φ = 63036695088.

The previous prime is 63040574369. The next prime is 63040574473. The reversal of 63040574423 is 32447504036.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63040574423 - 2¹⁶ = 63040508887 is a prime.

It is a super-2 number, since 2×63040574423² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63040574473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1915190 + ... + 1947827.

It is an arithmetic number, because the mean of its divisors is an integer number (15761113440).

Almost surely, 2^63040574423 is an apocalyptic number.

63040574423 is a deficient number, since it is larger than the sum of its proper divisors (3879337).

63040574423 is a wasteful number, since it uses less digits than its factorization.

63040574423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3879336.

The product of its (nonzero) digits is 241920, while the sum is 38.

The spelling of 63040574423 in words is "sixty-three billion, forty million, five hundred seventy-four thousand, four hundred twenty-three".