3426631723 has 4 divisors (see below), whose sum is σ = 3432896680. Its totient is φ = 3420366768.

The previous prime is 3426631711. The next prime is 3426631729. The reversal of 3426631723 is 3271366243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3271366243 = 1277 ⋅2561759.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3426631723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3426631729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3131658 + ... + 3132751.

It is an arithmetic number, because the mean of its divisors is an integer number (858224170).

Almost surely, 2^3426631723 is an apocalyptic number.

3426631723 is a deficient number, since it is larger than the sum of its proper divisors (6264957).

3426631723 is an equidigital number, since it uses as much as digits as its factorization.

3426631723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6264956.

The product of its digits is 108864, while the sum is 37.

The square root of 3426631723 is about 58537.4386439994. The cubic root of 3426631723 is about 1507.6104660500.

Adding to 3426631723 its reverse (3271366243), we get a palindrome (6697997966).

The spelling of 3426631723 in words is "three billion, four hundred twenty-six million, six hundred thirty-one thousand, seven hundred twenty-three".