1034345403 has 128 divisors (see below), whose sum is σ = 1974067200. Its totient is φ = 523905408.

The previous prime is 1034345401. The next prime is 1034345441. The reversal of 1034345403 is 3045434301.

It is not a de Polignac number, because 1034345403 - 2¹ = 1034345401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1034345401) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19515925 + ... + 19515977.

It is an arithmetic number, because the mean of its divisors is an integer number (15422400).

Almost surely, 2^1034345403 is an apocalyptic number.

1034345403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1034345403 is a deficient number, since it is larger than the sum of its proper divisors (939721797).

1034345403 is an equidigital number, since it uses as much as digits as its factorization.

1034345403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 1034345403 is about 32161.2406943513. The cubic root of 1034345403 is about 1011.3198452657.

Adding to 1034345403 its reverse (3045434301), we get a palindrome (4079779704).

The spelling of 1034345403 in words is "one billion, thirty-four million, three hundred forty-five thousand, four hundred three".