1010123203 has 2 divisors, whose sum is σ = 1010123204. Its totient is φ = 1010123202.

The previous prime is 1010123183. The next prime is 1010123263. The reversal of 1010123203 is 3023210101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1010123203 - 2⁹ = 1010122691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010123263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505061601 + 505061602.

It is an arithmetic number, because the mean of its divisors is an integer number (505061602).

Almost surely, 2^1010123203 is an apocalyptic number.

1010123203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010123203 is an equidigital number, since it uses as much as digits as its factorization.

1010123203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1010123203 is about 31782.4354479011. The cubic root of 1010123203 is about 1003.3630780271.

Adding to 1010123203 its reverse (3023210101), we get a palindrome (4033333304).

The spelling of 1010123203 in words is "one billion, ten million, one hundred twenty-three thousand, two hundred three".