20310000023 has 2 divisors, whose sum is σ = 20310000024. Its totient is φ = 20310000022.

The previous prime is 20310000013. The next prime is 20310000047. The reversal of 20310000023 is 32000001302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20310000023 - 2¹⁸ = 20309737879 is a prime.

It is a super-3 number, since 3×20310000023³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 20309999959 and 20310000013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20310000013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155000011 + 10155000012.

It is an arithmetic number, because the mean of its divisors is an integer number (10155000012).

Almost surely, 2^20310000023 is an apocalyptic number.

20310000023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310000023 is an equidigital number, since it uses as much as digits as its factorization.

20310000023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 20310000023 its reverse (32000001302), we get a palindrome (52310001325).

The spelling of 20310000023 in words is "twenty billion, three hundred ten million, twenty-three", and thus it is an aban number.