67345123 has 2 divisors, whose sum is σ = 67345124. Its totient is φ = 67345122.

The previous prime is 67345111. The next prime is 67345147. The reversal of 67345123 is 32154376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67345123 - 2¹⁷ = 67214051 is a prime.

It is not a weakly prime, because it can be changed into another prime (67345153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33672561 + 33672562.

It is an arithmetic number, because the mean of its divisors is an integer number (33672562).

Almost surely, 2^67345123 is an apocalyptic number.

67345123 is a deficient number, since it is larger than the sum of its proper divisors (1).

67345123 is an equidigital number, since it uses as much as digits as its factorization.

67345123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 67345123 is about 8206.4074356566. The cubic root of 67345123 is about 406.8509959702.

Adding to 67345123 its reverse (32154376), we get a palindrome (99499499).

It can be divided in two parts, 673 and 45123, that added together give a square (45796 = 214²).

The spelling of 67345123 in words is "sixty-seven million, three hundred forty-five thousand, one hundred twenty-three".