1320372373 has 2 divisors, whose sum is σ = 1320372374. Its totient is φ = 1320372372.

The previous prime is 1320372353. The next prime is 1320372397. The reversal of 1320372373 is 3732730231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 871017169 + 449355204 = 29513^2 + 21198^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320372373 - 2¹³ = 1320364181 is a prime.

It is a super-2 number, since 2×1320372373² = 3486766406763302258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320372353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660186186 + 660186187.

It is an arithmetic number, because the mean of its divisors is an integer number (660186187).

Almost surely, 2^1320372373 is an apocalyptic number.

It is an amenable number.

1320372373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320372373 is an equidigital number, since it uses as much as digits as its factorization.

1320372373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 31.

The square root of 1320372373 is about 36336.9285025578. The cubic root of 1320372373 is about 1097.0644519939.

The spelling of 1320372373 in words is "one billion, three hundred twenty million, three hundred seventy-two thousand, three hundred seventy-three".