203623101229 has 2 divisors, whose sum is σ = 203623101230. Its totient is φ = 203623101228.

The previous prime is 203623101197. The next prime is 203623101281. The reversal of 203623101229 is 922101326302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180456739204 + 23166362025 = 424802^2 + 152205^2 .

It is a cyclic number.

It is not a de Polignac number, because 203623101229 - 2⁵ = 203623101197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203623101229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203623101329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101811550614 + 101811550615.

It is an arithmetic number, because the mean of its divisors is an integer number (101811550615).

Almost surely, 2^203623101229 is an apocalyptic number.

It is an amenable number.

203623101229 is a deficient number, since it is larger than the sum of its proper divisors (1).

203623101229 is an equidigital number, since it uses as much as digits as its factorization.

203623101229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 203623101229 in words is "two hundred three billion, six hundred twenty-three million, one hundred one thousand, two hundred twenty-nine".