20310232123 has 8 divisors (see below), whose sum is σ = 20362397328. Its totient is φ = 20258133504.

The previous prime is 20310232121. The next prime is 20310232139. The reversal of 20310232123 is 32123201302.

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 20310232123 - 2¹ = 20310232121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20310232123.

It is not an unprimeable number, because it can be changed into a prime (20310232121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625536 + ... + 657202.

It is an arithmetic number, because the mean of its divisors is an integer number (2545299666).

Almost surely, 2^20310232123 is an apocalyptic number.

20310232123 is a deficient number, since it is larger than the sum of its proper divisors (52165205).

20310232123 is an equidigital number, since it uses as much as digits as its factorization.

20310232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33293.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20310232123 its reverse (32123201302), we get a palindrome (52433433425).

It can be divided in two parts, 203102 and 32123, that added together give a square (235225 = 485²).

The spelling of 20310232123 in words is "twenty billion, three hundred ten million, two hundred thirty-two thousand, one hundred twenty-three".