345251123 has 16 divisors (see below), whose sum is σ = 408139776. Its totient is φ = 285793920.

The previous prime is 345251117. The next prime is 345251129. The reversal of 345251123 is 321152543.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (345251117) and next prime (345251129).

It is a cyclic number.

It is not a de Polignac number, because 345251123 - 2¹⁰ = 345250099 is a prime.

It is a super-2 number, since 2×345251123² = 238396675865522258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345251092 and 345251101.

It is not an unprimeable number, because it can be changed into a prime (345251129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127340 + ... + 130022.

It is an arithmetic number, because the mean of its divisors is an integer number (25508736).

Almost surely, 2^345251123 is an apocalyptic number.

345251123 is a deficient number, since it is larger than the sum of its proper divisors (62888653).

345251123 is a wasteful number, since it uses less digits than its factorization.

345251123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314.

The product of its digits is 3600, while the sum is 26.

The square root of 345251123 is about 18580.9343952343. The cubic root of 345251123 is about 701.5280381909.

The spelling of 345251123 in words is "three hundred forty-five million, two hundred fifty-one thousand, one hundred twenty-three".