20143123037 has 2 divisors, whose sum is σ = 20143123038. Its totient is φ = 20143123036.

The previous prime is 20143123019. The next prime is 20143123043. The reversal of 20143123037 is 73032134102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18908725081 + 1234397956 = 137509^2 + 35134^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20143123037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20143122997 and 20143123015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20143122037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10071561518 + 10071561519.

It is an arithmetic number, because the mean of its divisors is an integer number (10071561519).

Almost surely, 2^20143123037 is an apocalyptic number.

It is an amenable number.

20143123037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20143123037 is an equidigital number, since it uses as much as digits as its factorization.

20143123037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 20143123037 its reverse (73032134102), we get a palindrome (93175257139).

The spelling of 20143123037 in words is "twenty billion, one hundred forty-three million, one hundred twenty-three thousand, thirty-seven".