1030133123 has 4 divisors (see below), whose sum is σ = 1032895248.
Its totient is φ = 1027371000.
The previous prime is 1030133063. The next prime is 1030133129. The reversal of 1030133123 is 3213310301.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1030133123 is a prime.
It is a super-2 number, since 2×10301331232 = 2122348502203466258, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1030133129) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380503 + ... + 1381248.
It is an arithmetic number, because the mean of its divisors is an integer number (258223812).
Almost surely, 21030133123 is an apocalyptic number.
1030133123 is a deficient number, since it is larger than the sum of its proper divisors (2762125).
1030133123 is an equidigital number, since it uses as much as digits as its factorization.
1030133123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2762124.
The product of its (nonzero) digits is 162, while the sum is 17.
The square root of 1030133123 is about 32095.6869843909.
The cubic root of 1030133123 is about 1009.9451406337.
Adding to 1030133123 its reverse (3213310301), we get a palindrome (4243443424).
The spelling of 1030133123 in words is "one billion, thirty million, one hundred thirty-three thousand, one hundred twenty-three".