220143130220423 has 32 divisors (see below), whose sum is σ = 253356815738880. Its totient is φ = 189895829760000.

The previous prime is 220143130220411. The next prime is 220143130220477. The reversal of 220143130220423 is 324022031341022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220143130220423 is a prime.

It is a super-2 number, since 2×220143130220423² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220143130220623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27728348 + ... + 34772798.

It is an arithmetic number, because the mean of its divisors is an integer number (7917400491840).

Almost surely, 2^{220143130220423} is an apocalyptic number.

220143130220423 is a deficient number, since it is larger than the sum of its proper divisors (33213685518457).

220143130220423 is a wasteful number, since it uses less digits than its factorization.

220143130220423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7047639.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 220143130220423 its reverse (324022031341022), we get a palindrome (544165161561445).

The spelling of 220143130220423 in words is "two hundred twenty trillion, one hundred forty-three billion, one hundred thirty million, two hundred twenty thousand, four hundred twenty-three".