201201023 has 2 divisors, whose sum is σ = 201201024. Its totient is φ = 201201022.

The previous prime is 201200957. The next prime is 201201037. The reversal of 201201023 is 320102102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201201023 - 2¹² = 201196927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201200995 and 201201013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201201053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100600511 + 100600512.

It is an arithmetic number, because the mean of its divisors is an integer number (100600512).

Almost surely, 2^201201023 is an apocalyptic number.

201201023 is a deficient number, since it is larger than the sum of its proper divisors (1).

201201023 is an equidigital number, since it uses as much as digits as its factorization.

201201023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 201201023 is about 14184.5346416440. The cubic root of 201201023 is about 585.9718164098.

Adding to 201201023 its reverse (320102102), we get a palindrome (521303125).

The spelling of 201201023 in words is "two hundred one million, two hundred one thousand, twenty-three".