1345151223 has 12 divisors (see below), whose sum is σ = 2092457640. Its totient is φ = 827785296.

The previous prime is 1345151219. The next prime is 1345151257. The reversal of 1345151223 is 3221515431.

1345151223 is a `hidden beast` number, since 134 + 515 + 12 + 2 + 3 = 666.

It is not a de Polignac number, because 1345151223 - 2² = 1345151219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345151123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5748393 + ... + 5748626.

It is an arithmetic number, because the mean of its divisors is an integer number (174371470).

Almost surely, 2^1345151223 is an apocalyptic number.

1345151223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1345151223 is a deficient number, since it is larger than the sum of its proper divisors (747306417).

1345151223 is a wasteful number, since it uses less digits than its factorization.

1345151223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11497038 (or 11497035 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1345151223 is about 36676.3032897265. The cubic root of 1345151223 is about 1103.8846735825.

Adding to 1345151223 its reverse (3221515431), we get a palindrome (4566666654).

The spelling of 1345151223 in words is "one billion, three hundred forty-five million, one hundred fifty-one thousand, two hundred twenty-three".