345361023 has 16 divisors (see below), whose sum is σ = 584738560. Its totient is φ = 197349048.

The previous prime is 345361021. The next prime is 345361033. The reversal of 345361023 is 320163543.

It is a happy number.

345361023 is a `hidden beast` number, since 3 + 45 + 3 + 610 + 2 + 3 = 666.

It is not a de Polignac number, because 345361023 - 2¹ = 345361021 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345361021) 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 15 ways as a sum of consecutive naturals, for example, 913465 + ... + 913842.

It is an arithmetic number, because the mean of its divisors is an integer number (36546160).

Almost surely, 2^345361023 is an apocalyptic number.

345361023 is a deficient number, since it is larger than the sum of its proper divisors (239377537).

345361023 is a wasteful number, since it uses less digits than its factorization.

345361023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827323 (or 1827317 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 345361023 is about 18583.8914923651. The cubic root of 345361023 is about 701.6024668673.

The spelling of 345361023 in words is "three hundred forty-five million, three hundred sixty-one thousand, twenty-three".