202001330023 has 4 divisors (see below), whose sum is σ = 202039981000. Its totient is φ = 201962679048.

The previous prime is 202001330021. The next prime is 202001330039. The reversal of 202001330023 is 320033100202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320033100202 = 2 ⋅160016550101.

It is a cyclic number.

It is not a de Polignac number, because 202001330023 - 2¹ = 202001330021 is a prime.

It is a super-2 number, since 2×202001330023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202001329979 and 202001330006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001330021) 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, 19317648 + ... + 19328101.

It is an arithmetic number, because the mean of its divisors is an integer number (50509995250).

Almost surely, 2^202001330023 is an apocalyptic number.

202001330023 is a deficient number, since it is larger than the sum of its proper divisors (38650977).

202001330023 is an equidigital number, since it uses as much as digits as its factorization.

202001330023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38650976.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 202001330023 its reverse (320033100202), we get a palindrome (522034430225).

The spelling of 202001330023 in words is "two hundred two billion, one million, three hundred thirty thousand, twenty-three".