20010023023 has 8 divisors (see below), whose sum is σ = 20881689696. Its totient is φ = 19138495200.

The previous prime is 20010022993. The next prime is 20010023057. The reversal of 20010023023 is 32032001002.

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 20010023023 - 2²¹ = 20007925871 is a prime.

20010023023 is a modest number, since divided by 23023 gives 20010 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20010022994 and 20010023012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010023083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351193 + ... + 404173.

It is an arithmetic number, because the mean of its divisors is an integer number (2610211212).

Almost surely, 2^20010023023 is an apocalyptic number.

20010023023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20010023023 is a deficient number, since it is larger than the sum of its proper divisors (871666673).

20010023023 is a wasteful number, since it uses less digits than its factorization.

20010023023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69425.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20010023023 its reverse (32032001002), we get a palindrome (52042024025).

The spelling of 20010023023 in words is "twenty billion, ten million, twenty-three thousand, twenty-three".