142223331523 has 16 divisors (see below), whose sum is σ = 175400660736. Its totient is φ = 112299132960.

The previous prime is 142223331511. The next prime is 142223331533. The reversal of 142223331523 is 325133322241.

It is not a de Polignac number, because 142223331523 - 2¹⁷ = 142223200451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142223331533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1546861 + ... + 1636222.

It is an arithmetic number, because the mean of its divisors is an integer number (10962541296).

Almost surely, 2^142223331523 is an apocalyptic number.

142223331523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142223331523 is a deficient number, since it is larger than the sum of its proper divisors (33177329213).

142223331523 is a wasteful number, since it uses less digits than its factorization.

142223331523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183594.

The product of its digits is 25920, while the sum is 31.

Adding to 142223331523 its reverse (325133322241), we get a palindrome (467356653764).

The spelling of 142223331523 in words is "one hundred forty-two billion, two hundred twenty-three million, three hundred thirty-one thousand, five hundred twenty-three".