3172323457 has 2 divisors, whose sum is σ = 3172323458. Its totient is φ = 3172323456.

The previous prime is 3172323439. The next prime is 3172323487. The reversal of 3172323457 is 7543232713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2723900481 + 448422976 = 52191^2 + 21176^2 .

It is a cyclic number.

It is not a de Polignac number, because 3172323457 - 2¹⁵ = 3172290689 is a prime.

It is a super-2 number, since 2×3172323457² = 20127272231664861698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3172323487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1586161728 + 1586161729.

It is an arithmetic number, because the mean of its divisors is an integer number (1586161729).

Almost surely, 2^3172323457 is an apocalyptic number.

It is an amenable number.

3172323457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3172323457 is an equidigital number, since it uses as much as digits as its factorization.

3172323457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 37.

The square root of 3172323457 is about 56323.3828618275. The cubic root of 3172323457 is about 1469.3519066071.

The spelling of 3172323457 in words is "three billion, one hundred seventy-two million, three hundred twenty-three thousand, four hundred fifty-seven".