202011423 has 8 divisors (see below), whose sum is σ = 269486208. Its totient is φ = 134605464.

The previous prime is 202011409. The next prime is 202011437. The reversal of 202011423 is 324110202.

202011423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (202011409) and next prime (202011437).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202011423 - 2⁸ = 202011167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202011473) 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, 9915 + ... + 22412.

It is an arithmetic number, because the mean of its divisors is an integer number (33685776).

Almost surely, 2^202011423 is an apocalyptic number.

202011423 is a deficient number, since it is larger than the sum of its proper divisors (67474785).

202011423 is a wasteful number, since it uses less digits than its factorization.

202011423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34413.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 202011423 is about 14213.0722576085. The cubic root of 202011423 is about 586.7574907092.

Adding to 202011423 its reverse (324110202), we get a palindrome (526121625).

The spelling of 202011423 in words is "two hundred two million, eleven thousand, four hundred twenty-three".