202423030811 has 2 divisors, whose sum is σ = 202423030812. Its totient is φ = 202423030810.

The previous prime is 202423030807. The next prime is 202423030829. The reversal of 202423030811 is 118030324202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202423030811 - 2² = 202423030807 is a prime.

It is a super-2 number, since 2×202423030811² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202423030841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101211515405 + 101211515406.

It is an arithmetic number, because the mean of its divisors is an integer number (101211515406).

Almost surely, 2^202423030811 is an apocalyptic number.

202423030811 is a deficient number, since it is larger than the sum of its proper divisors (1).

202423030811 is an equidigital number, since it uses as much as digits as its factorization.

202423030811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 202423030811 in words is "two hundred two billion, four hundred twenty-three million, thirty thousand, eight hundred eleven".