1423820974652 has 24 divisors (see below), whose sum is σ = 2593420510800. Its totient is φ = 683144896896.

The previous prime is 1423820974619. The next prime is 1423820974717. The reversal of 1423820974652 is 2564790283241.

It is a super-2 number, since 2×1423820974652² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423820974594 and 1423820974603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37632377 + ... + 37670192.

It is an arithmetic number, because the mean of its divisors is an integer number (108059187950).

It is a 1-persistent number, because it is pandigital, but 2⋅1423820974652 = 2847641949304 is not.

Almost surely, 2^{1423820974652} is an apocalyptic number.

It is an amenable number.

1423820974652 is a deficient number, since it is larger than the sum of its proper divisors (1169599536148).

1423820974652 is a wasteful number, since it uses less digits than its factorization.

1423820974652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75302765 (or 75302763 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 1423820974652 in words is "one trillion, four hundred twenty-three billion, eight hundred twenty million, nine hundred seventy-four thousand, six hundred fifty-two".