3451240423 has 2 divisors, whose sum is σ = 3451240424. Its totient is φ = 3451240422.

The previous prime is 3451240399. The next prime is 3451240433. The reversal of 3451240423 is 3240421543.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3451240423 is a prime.

It is a super-2 number, since 2×3451240423² = 23822120914698437858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3451240391 and 3451240400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3451240433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1725620211 + 1725620212.

It is an arithmetic number, because the mean of its divisors is an integer number (1725620212).

Almost surely, 2^3451240423 is an apocalyptic number.

3451240423 is a deficient number, since it is larger than the sum of its proper divisors (1).

3451240423 is an equidigital number, since it uses as much as digits as its factorization.

3451240423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 3451240423 is about 58747.2588552011. The cubic root of 3451240423 is about 1511.2108795237.

Adding to 3451240423 its reverse (3240421543), we get a palindrome (6691661966).

The spelling of 3451240423 in words is "three billion, four hundred fifty-one million, two hundred forty thousand, four hundred twenty-three".