142423623456 has 48 divisors (see below), whose sum is σ = 374440014144. Its totient is φ = 47401144064.

The previous prime is 142423623449. The next prime is 142423623457. The reversal of 142423623456 is 654326324241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (142423623457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084395 + ... + 1208618.

It is an arithmetic number, because the mean of its divisors is an integer number (7800833628).

Almost surely, 2^142423623456 is an apocalyptic number.

142423623456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142423623456 is an abundant number, since it is smaller than the sum of its proper divisors (232016390688).

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

142423623456 is a wasteful number, since it uses less digits than its factorization.

142423623456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293673 (or 2293665 counting only the distinct ones).

The product of its digits is 829440, while the sum is 42.

Adding to 142423623456 its reverse (654326324241), we get a palindrome (796749947697).

The spelling of 142423623456 in words is "one hundred forty-two billion, four hundred twenty-three million, six hundred twenty-three thousand, four hundred fifty-six".