3173378623 has 2 divisors, whose sum is σ = 3173378624. Its totient is φ = 3173378622.

The previous prime is 3173378587. The next prime is 3173378633. The reversal of 3173378623 is 3268733713.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3173378623 - 2⁹ = 3173378111 is a prime.

It is a super-2 number, since 2×3173378623² = 20140663769826752258, 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 3173378623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3173378633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1586689311 + 1586689312.

It is an arithmetic number, because the mean of its divisors is an integer number (1586689312).

Almost surely, 2^3173378623 is an apocalyptic number.

3173378623 is a deficient number, since it is larger than the sum of its proper divisors (1).

3173378623 is an equidigital number, since it uses as much as digits as its factorization.

3173378623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 43.

The square root of 3173378623 is about 56332.7491163000. The cubic root of 3173378623 is about 1469.5147986040.

The spelling of 3173378623 in words is "three billion, one hundred seventy-three million, three hundred seventy-eight thousand, six hundred twenty-three".