42623554650903 has 24 divisors (see below), whose sum is σ = 61741598810112. Its totient is φ = 28335316110288.

The previous prime is 42623554650847. The next prime is 42623554650967. The reversal of 42623554650903 is 30905645532624.

42623554650903 is a `hidden beast` number, since 4 + 2 + 6 + 2 + 3 + 5 + 546 + 5 + 0 + 90 + 3 = 666.

It is not a de Polignac number, because 42623554650903 - 2²⁰ = 42623553602327 is a prime.

It is a super-2 number, since 2×42623554650903² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42623554650903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42623554650973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14448550 + ... + 17146652.

It is an arithmetic number, because the mean of its divisors is an integer number (2572566617088).

Almost surely, 2^{42623554650903} is an apocalyptic number.

42623554650903 is a deficient number, since it is larger than the sum of its proper divisors (19118044159209).

42623554650903 is a wasteful number, since it uses less digits than its factorization.

42623554650903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703075 (or 2703072 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 54.

The spelling of 42623554650903 in words is "forty-two trillion, six hundred twenty-three billion, five hundred fifty-four million, six hundred fifty thousand, nine hundred three".