201523214011 has 8 divisors (see below), whose sum is σ = 230345282304. Its totient is φ = 172709405160.

The previous prime is 201523214003. The next prime is 201523214023. The reversal of 201523214011 is 110412325102.

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

It is a cyclic number.

It is not a de Polignac number, because 201523214011 - 2³ = 201523214003 is a prime.

It is a super-2 number, since 2×201523214011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201523214051) 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, 2012485 + ... + 2110246.

It is an arithmetic number, because the mean of its divisors is an integer number (28793160288).

Almost surely, 2^201523214011 is an apocalyptic number.

201523214011 is a deficient number, since it is larger than the sum of its proper divisors (28822068293).

201523214011 is an equidigital number, since it uses as much as digits as its factorization.

201523214011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129721.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 201523214011 its reverse (110412325102), we get a palindrome (311935539113).

The spelling of 201523214011 in words is "two hundred one billion, five hundred twenty-three million, two hundred fourteen thousand, eleven".