220142143023 has 16 divisors (see below), whose sum is σ = 320390758272. Its totient is φ = 133342812000.

The previous prime is 220142143019. The next prime is 220142143031. The reversal of 220142143023 is 320341241022.

It is a happy number.

It is not a de Polignac number, because 220142143023 - 2² = 220142143019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220142142984 and 220142143002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220142143033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1858393 + ... + 1973298.

It is an arithmetic number, because the mean of its divisors is an integer number (20024422392).

Almost surely, 2^220142143023 is an apocalyptic number.

220142143023 is a deficient number, since it is larger than the sum of its proper divisors (100248615249).

220142143023 is a wasteful number, since it uses less digits than its factorization.

220142143023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833446.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 220142143023 its reverse (320341241022), we get a palindrome (540483384045).

The spelling of 220142143023 in words is "two hundred twenty billion, one hundred forty-two million, one hundred forty-three thousand, twenty-three".