63128458623 has 16 divisors (see below), whose sum is σ = 86232103776. Its totient is φ = 41055413760.

The previous prime is 63128458573. The next prime is 63128458717. The reversal of 63128458623 is 32685482136.

It is not a de Polignac number, because 63128458623 - 2¹⁷ = 63128327551 is a prime.

It is a super-2 number, since 2×63128458623² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63128458423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2137465 + ... + 2166797.

It is an arithmetic number, because the mean of its divisors is an integer number (5389506486).

Almost surely, 2^63128458623 is an apocalyptic number.

63128458623 is a deficient number, since it is larger than the sum of its proper divisors (23103645153).

63128458623 is a wasteful number, since it uses less digits than its factorization.

63128458623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46874.

The product of its digits is 1658880, while the sum is 48.

The spelling of 63128458623 in words is "sixty-three billion, one hundred twenty-eight million, four hundred fifty-eight thousand, six hundred twenty-three".