201201031023 has 16 divisors (see below), whose sum is σ = 279637142400. Its totient is φ = 128520086240.

The previous prime is 201201031013. The next prime is 201201031033. The reversal of 201201031023 is 320130102102.

It is an interprime number because it is at equal distance from previous prime (201201031013) and next prime (201201031033).

It is a cyclic number.

It is not a de Polignac number, because 201201031023 - 2²⁹ = 200664160111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201201030993 and 201201031011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201201031013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8815533 + ... + 8838326.

It is an arithmetic number, because the mean of its divisors is an integer number (17477321400).

Almost surely, 2^201201031023 is an apocalyptic number.

201201031023 is a deficient number, since it is larger than the sum of its proper divisors (78436111377).

201201031023 is a wasteful number, since it uses less digits than its factorization.

201201031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17654022.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 201201031023 its reverse (320130102102), we get a palindrome (521331133125).

The spelling of 201201031023 in words is "two hundred one billion, two hundred one million, thirty-one thousand, twenty-three".