201032123 has 4 divisors (see below), whose sum is σ = 212857560. Its totient is φ = 189206688.

The previous prime is 201032119. The next prime is 201032129. The reversal of 201032123 is 321230102.

It is a happy number.

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 201032123 - 2² = 201032119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201032098 and 201032107.

It is not an unprimeable number, because it can be changed into a prime (201032129) 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, 5912693 + ... + 5912726.

It is an arithmetic number, because the mean of its divisors is an integer number (53214390).

Almost surely, 2^201032123 is an apocalyptic number.

201032123 is a deficient number, since it is larger than the sum of its proper divisors (11825437).

201032123 is a wasteful number, since it uses less digits than its factorization.

201032123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11825436.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 201032123 is about 14178.5797243589. The cubic root of 201032123 is about 585.8078040783.

Adding to 201032123 its reverse (321230102), we get a palindrome (522262225).

The spelling of 201032123 in words is "two hundred one million, thirty-two thousand, one hundred twenty-three".