1030203123 has 16 divisors (see below), whose sum is σ = 1446614400. Its totient is φ = 650332800.

The previous prime is 1030203107. The next prime is 1030203133. The reversal of 1030203123 is 3213020301.

It is not a de Polignac number, because 1030203123 - 2⁴ = 1030203107 is a prime.

It is a super-2 number, since 2×1030203123² = 2122636949277906258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1030203133) 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, 173148 + ... + 178998.

It is an arithmetic number, because the mean of its divisors is an integer number (90413400).

Almost surely, 2^1030203123 is an apocalyptic number.

1030203123 is a deficient number, since it is larger than the sum of its proper divisors (416411277).

1030203123 is a wasteful number, since it uses less digits than its factorization.

1030203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8962.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1030203123 is about 32096.7774550655. Note that the first 3 decimals coincide. The cubic root of 1030203123 is about 1009.9680161750.

Adding to 1030203123 its reverse (3213020301), we get a palindrome (4243223424).

The spelling of 1030203123 in words is "one billion, thirty million, two hundred three thousand, one hundred twenty-three".