20310300023 has 4 divisors (see below), whose sum is σ = 21872630808. Its totient is φ = 18747969240.

The previous prime is 20310300019. The next prime is 20310300071. The reversal of 20310300023 is 32000301302.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20310300023 - 2² = 20310300019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20310299980 and 20310300007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310300083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781165373 + ... + 781165398.

It is an arithmetic number, because the mean of its divisors is an integer number (5468157702).

Almost surely, 2^20310300023 is an apocalyptic number.

20310300023 is a deficient number, since it is larger than the sum of its proper divisors (1562330785).

20310300023 is a wasteful number, since it uses less digits than its factorization.

20310300023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562330784.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 20310300023 its reverse (32000301302), we get a palindrome (52310601325).

The spelling of 20310300023 in words is "twenty billion, three hundred ten million, three hundred thousand, twenty-three".