1345041123 has 8 divisors (see below), whose sum is σ = 1816089600. Its totient is φ = 885343368.

The previous prime is 1345041097. The next prime is 1345041163. The reversal of 1345041123 is 3211405431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1345041123 - 2¹² = 1345037027 is a prime.

It is a super-2 number, since 2×1345041123² = 3618271245122202258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1345041093 and 1345041102.

It is not an unprimeable number, because it can be changed into a prime (1345041163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2837403 + ... + 2837876.

It is an arithmetic number, because the mean of its divisors is an integer number (227011200).

Almost surely, 2^1345041123 is an apocalyptic number.

1345041123 is a deficient number, since it is larger than the sum of its proper divisors (471048477).

1345041123 is an equidigital number, since it uses as much as digits as its factorization.

1345041123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5675361.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1345041123 is about 36674.8022898556. The cubic root of 1345041123 is about 1103.8545552789.

Adding to 1345041123 its reverse (3211405431), we get a palindrome (4556446554).

The spelling of 1345041123 in words is "one billion, three hundred forty-five million, forty-one thousand, one hundred twenty-three".