20231030121303 has 4 divisors (see below), whose sum is σ = 26974706828408. Its totient is φ = 13487353414200.

The previous prime is 20231030121277. The next prime is 20231030121331. The reversal of 20231030121303 is 30312103013202.

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

It is not a de Polignac number, because 20231030121303 - 2¹³ = 20231030113111 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 20231030121303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231030121503) 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, 3371838353548 + ... + 3371838353553.

It is an arithmetic number, because the mean of its divisors is an integer number (6743676707102).

Almost surely, 2^{20231030121303} is an apocalyptic number.

20231030121303 is a deficient number, since it is larger than the sum of its proper divisors (6743676707105).

20231030121303 is an equidigital number, since it uses as much as digits as its factorization.

20231030121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6743676707104.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20231030121303 its reverse (30312103013202), we get a palindrome (50543133134505).

The spelling of 20231030121303 in words is "twenty trillion, two hundred thirty-one billion, thirty million, one hundred twenty-one thousand, three hundred three".