201012623 has 16 divisors (see below), whose sum is σ = 235146240. Its totient is φ = 168264096.

The previous prime is 201012619. The next prime is 201012653. The reversal of 201012623 is 326210102.

It is not a de Polignac number, because 201012623 - 2² = 201012619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87536 + ... + 89802.

It is an arithmetic number, because the mean of its divisors is an integer number (14696640).

Almost surely, 2^201012623 is an apocalyptic number.

201012623 is a deficient number, since it is larger than the sum of its proper divisors (34133617).

201012623 is a wasteful number, since it uses less digits than its factorization.

201012623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 201012623 is about 14177.8920506541. The cubic root of 201012623 is about 585.7888624595.

Adding to 201012623 its reverse (326210102), we get a palindrome (527222725).

The spelling of 201012623 in words is "two hundred one million, twelve thousand, six hundred twenty-three".