1013434123 has 4 divisors (see below), whose sum is σ = 1091390608. Its totient is φ = 935477640.

The previous prime is 1013434099. The next prime is 1013434133. The reversal of 1013434123 is 3214343101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3214343101 = 25189 ⋅127609.

It is a cyclic number.

It is not a de Polignac number, because 1013434123 - 2⁹ = 1013433611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013434094 and 1013434103.

It is not an unprimeable number, because it can be changed into a prime (1013434133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38978223 + ... + 38978248.

It is an arithmetic number, because the mean of its divisors is an integer number (272847652).

Almost surely, 2^1013434123 is an apocalyptic number.

1013434123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1013434123 is a deficient number, since it is larger than the sum of its proper divisors (77956485).

1013434123 is an equidigital number, since it uses as much as digits as its factorization.

1013434123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77956484.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1013434123 is about 31834.4800962730. The cubic root of 1013434123 is about 1004.4581364840.

Adding to 1013434123 its reverse (3214343101), we get a palindrome (4227777224).

The spelling of 1013434123 in words is "one billion, thirteen million, four hundred thirty-four thousand, one hundred twenty-three".