1030123445 has 12 divisors (see below), whose sum is σ = 1338552036. Its totient is φ = 760705920.

The previous prime is 1030123439. The next prime is 1030123453. The reversal of 1030123445 is 5443210301.

It can be written as a sum of positive squares in 6 ways, for example, as 122788561 + 907334884 = 11081^2 + 30122^2 .

It is not a de Polignac number, because 1030123445 - 2²⁸ = 761687989 is a prime.

It is a super-2 number, since 2×1030123445² = 2122308623877336050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1030123445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 608696 + ... + 610385.

It is an arithmetic number, because the mean of its divisors is an integer number (111546003).

Almost surely, 2^1030123445 is an apocalyptic number.

It is an amenable number.

1030123445 is a deficient number, since it is larger than the sum of its proper divisors (308428591).

1030123445 is a wasteful number, since it uses less digits than its factorization.

1030123445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219112 (or 1219099 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1030123445 is about 32095.5362161158. The cubic root of 1030123445 is about 1009.9419778451.

Adding to 1030123445 its reverse (5443210301), we get a palindrome (6473333746).

The spelling of 1030123445 in words is "one billion, thirty million, one hundred twenty-three thousand, four hundred forty-five".