20230202123 has 4 divisors (see below), whose sum is σ = 20235677880. Its totient is φ = 20224726368.

The previous prime is 20230202117. The next prime is 20230202141. The reversal of 20230202123 is 32120203202.

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

It is a cyclic number.

It is not a de Polignac number, because 20230202123 - 2⁴ = 20230202107 is a prime.

It is a super-2 number, since 2×20230202123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20230202723) 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, 2732333 + ... + 2739726.

It is an arithmetic number, because the mean of its divisors is an integer number (5058919470).

Almost surely, 2^20230202123 is an apocalyptic number.

20230202123 is a deficient number, since it is larger than the sum of its proper divisors (5475757).

20230202123 is an equidigital number, since it uses as much as digits as its factorization.

20230202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475756.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20230202123 its reverse (32120203202), we get a palindrome (52350405325).

The spelling of 20230202123 in words is "twenty billion, two hundred thirty million, two hundred two thousand, one hundred twenty-three".