201201010023 has 16 divisors (see below), whose sum is σ = 301465059840. Its totient is φ = 118432701024.

The previous prime is 201201010019. The next prime is 201201010037. The reversal of 201201010023 is 320010102102.

It is not a de Polignac number, because 201201010023 - 2² = 201201010019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201201009990 and 201201010008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201201010523) 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, 112151283 + ... + 112153076.

It is an arithmetic number, because the mean of its divisors is an integer number (18841566240).

Almost surely, 2^201201010023 is an apocalyptic number.

201201010023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

201201010023 is a deficient number, since it is larger than the sum of its proper divisors (100264049817).

201201010023 is a wasteful number, since it uses less digits than its factorization.

201201010023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224304398.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 201201010023 its reverse (320010102102), we get a palindrome (521211112125).

The spelling of 201201010023 in words is "two hundred one billion, two hundred one million, ten thousand, twenty-three".