142421613253623 has 48 divisors (see below), whose sum is σ = 232130373726720. Its totient is φ = 86237871279120.

The previous prime is 142421613253489. The next prime is 142421613253627. The reversal of 142421613253623 is 326352316124241.

142421613253623 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 2 + 1 + 6 + 13 + 2 + 5 + 3 + 623 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-142421613253623 is a prime.

It is a super-2 number, since 2×142421613253623² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142421613253627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16158061 + ... + 23365062.

It is an arithmetic number, because the mean of its divisors is an integer number (4836049452640).

Almost surely, 2^{142421613253623} is an apocalyptic number.

142421613253623 is a deficient number, since it is larger than the sum of its proper divisors (89708760473097).

142421613253623 is a wasteful number, since it uses less digits than its factorization.

142421613253623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39524257 (or 39524240 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

Adding to 142421613253623 its reverse (326352316124241), we get a palindrome (468773929377864).

The spelling of 142421613253623 in words is "one hundred forty-two trillion, four hundred twenty-one billion, six hundred thirteen million, two hundred fifty-three thousand, six hundred twenty-three".