142023420355 has 4 divisors (see below), whose sum is σ = 170428104432. Its totient is φ = 113618736280.

The previous prime is 142023420349. The next prime is 142023420419. The reversal of 142023420355 is 553024320241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553024320241 = 7933 ⋅69711877.

It is not a de Polignac number, because 142023420355 - 2⁵ = 142023420323 is a prime.

It is a super-3 number, since 3×142023420355³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14202342031 + ... + 14202342040.

It is an arithmetic number, because the mean of its divisors is an integer number (42607026108).

Almost surely, 2^142023420355 is an apocalyptic number.

142023420355 is a deficient number, since it is larger than the sum of its proper divisors (28404684077).

142023420355 is an equidigital number, since it uses as much as digits as its factorization.

142023420355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28404684076.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 142023420355 its reverse (553024320241), we get a palindrome (695047740596).

The spelling of 142023420355 in words is "one hundred forty-two billion, twenty-three million, four hundred twenty thousand, three hundred fifty-five".