1423123415652 has 24 divisors (see below), whose sum is σ = 3337307848000. Its totient is φ = 471990679776.

The previous prime is 1423123415647. The next prime is 1423123415669. The reversal of 1423123415652 is 2565143213241.

It is a self number, because there is not a number n which added to its sum of digits gives 1423123415652.

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, 297971527 + ... + 297976302.

Almost surely, 2^{1423123415652} is an apocalyptic number.

1423123415652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1423123415652 is an abundant number, since it is smaller than the sum of its proper divisors (1914184432348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423123415652 is a wasteful number, since it uses less digits than its factorization.

1423123415652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595948035 (or 595948033 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

Adding to 1423123415652 its reverse (2565143213241), we get a palindrome (3988266628893).

The spelling of 1423123415652 in words is "one trillion, four hundred twenty-three billion, one hundred twenty-three million, four hundred fifteen thousand, six hundred fifty-two".