1030101123 has 4 divisors (see below), whose sum is σ = 1373468168. Its totient is φ = 686734080.

The previous prime is 1030101113. The next prime is 1030101133. The reversal of 1030101123 is 3211010301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3211010301 = 3 ⋅1070336767.

It is an interprime number because it is at equal distance from previous prime (1030101113) and next prime (1030101133).

It is a de Polignac number, because none of the positive numbers 2^k-1030101123 is a prime.

It is a super-2 number, since 2×1030101123² = 2122216647211722258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030101099 and 1030101108.

It is not an unprimeable number, because it can be changed into a prime (1030101113) 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, 171683518 + ... + 171683523.

It is an arithmetic number, because the mean of its divisors is an integer number (343367042).

Almost surely, 2^1030101123 is an apocalyptic number.

1030101123 is a deficient number, since it is larger than the sum of its proper divisors (343367045).

1030101123 is an equidigital number, since it uses as much as digits as its factorization.

1030101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343367044.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1030101123 is about 32095.1884711712. The cubic root of 1030101123 is about 1009.9346828982.

Adding to 1030101123 its reverse (3211010301), we get a palindrome (4241111424).

The spelling of 1030101123 in words is "one billion, thirty million, one hundred one thousand, one hundred twenty-three".