345023011 has 2 divisors, whose sum is σ = 345023012. Its totient is φ = 345023010.

The previous prime is 345022987. The next prime is 345023017. The reversal of 345023011 is 110320543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345023011 - 2⁷ = 345022883 is a prime.

It is a super-2 number, since 2×345023011² = 238081756239012242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345023011.

It is not a weakly prime, because it can be changed into another prime (345023017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172511505 + 172511506.

It is an arithmetic number, because the mean of its divisors is an integer number (172511506).

Almost surely, 2^345023011 is an apocalyptic number.

345023011 is a deficient number, since it is larger than the sum of its proper divisors (1).

345023011 is an equidigital number, since it uses as much as digits as its factorization.

345023011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 345023011 is about 18574.7950459756. The cubic root of 345023011 is about 701.3735011886.

Adding to 345023011 its reverse (110320543), we get a palindrome (455343554).

The spelling of 345023011 in words is "three hundred forty-five million, twenty-three thousand, eleven".