1232172373 has 2 divisors, whose sum is σ = 1232172374. Its totient is φ = 1232172372.

The previous prime is 1232172371. The next prime is 1232172377. The reversal of 1232172373 is 3732712321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 805254129 + 426918244 = 28377^2 + 20662^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232172373 - 2¹ = 1232172371 is a prime.

It is a super-2 number, since 2×1232172373² = 3036497513568902258, which contains 22 as substring.

Together with 1232172371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232172371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616086186 + 616086187.

It is an arithmetic number, because the mean of its divisors is an integer number (616086187).

Almost surely, 2^1232172373 is an apocalyptic number.

It is an amenable number.

1232172373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232172373 is an equidigital number, since it uses as much as digits as its factorization.

1232172373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 31.

The square root of 1232172373 is about 35102.3129294923. The cubic root of 1232172373 is about 1072.0716765048.

Adding to 1232172373 its reverse (3732712321), we get a palindrome (4964884694).

The spelling of 1232172373 in words is "one billion, two hundred thirty-two million, one hundred seventy-two thousand, three hundred seventy-three".