3400123 has 2 divisors, whose sum is σ = 3400124. Its totient is φ = 3400122.

The previous prime is 3400097. The next prime is 3400127. The reversal of 3400123 is 3210043.

It is a strong prime.

It is an emirp because it is prime and its reverse (3210043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3400123 - 2⁵ = 3400091 is a prime.

3400123 is a modest number, since divided by 123 gives 34 as remainder.

It is not a weakly prime, because it can be changed into another prime (3400127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700061 + 1700062.

It is an arithmetic number, because the mean of its divisors is an integer number (1700062).

Almost surely, 2^3400123 is an apocalyptic number.

3400123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3400123 is an equidigital number, since it uses as much as digits as its factorization.

3400123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3400123 is about 1843.9422442148. The cubic root of 3400123 is about 150.3712728774.

Adding to 3400123 its reverse (3210043), we get a palindrome (6610166).

The spelling of 3400123 in words is "three million, four hundred thousand, one hundred twenty-three".