20233131023 has 8 divisors (see below), whose sum is σ = 23748540192. Its totient is φ = 16873962336.

The previous prime is 20233131019. The next prime is 20233131031. The reversal of 20233131023 is 32013133202.

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

It is not a de Polignac number, because 20233131023 - 2² = 20233131019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20233130986 and 20233131004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233131013) 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 in 7 ways as a sum of consecutive naturals, for example, 39059840 + ... + 39060357.

It is an arithmetic number, because the mean of its divisors is an integer number (2968567524).

Almost surely, 2^20233131023 is an apocalyptic number.

20233131023 is a deficient number, since it is larger than the sum of its proper divisors (3515409169).

20233131023 is an equidigital number, since it uses as much as digits as its factorization.

20233131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78120241.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20233131023 its reverse (32013133202), we get a palindrome (52246264225).

The spelling of 20233131023 in words is "twenty billion, two hundred thirty-three million, one hundred thirty-one thousand, twenty-three".