20143123144231 has 8 divisors (see below), whose sum is σ = 20157833289728. Its totient is φ = 20128414383000.

The previous prime is 20143123144229. The next prime is 20143123144237. The reversal of 20143123144231 is 13244132134102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20143123144231 - 2¹ = 20143123144229 is a prime.

It is a super-2 number, since 2×20143123144231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20143123144193 and 20143123144202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20143123144237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29718886 + ... + 30389116.

It is an arithmetic number, because the mean of its divisors is an integer number (2519729161216).

Almost surely, 2^{20143123144231} is an apocalyptic number.

20143123144231 is a deficient number, since it is larger than the sum of its proper divisors (14710145497).

20143123144231 is a wasteful number, since it uses less digits than its factorization.

20143123144231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692133.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 20143123144231 its reverse (13244132134102), we get a palindrome (33387255278333).

The spelling of 20143123144231 in words is "twenty trillion, one hundred forty-three billion, one hundred twenty-three million, one hundred forty-four thousand, two hundred thirty-one".