1375706923 has 4 divisors (see below), whose sum is σ = 1376011168. Its totient is φ = 1375402680.

The previous prime is 1375706921. The next prime is 1375706939. The reversal of 1375706923 is 3296075731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1375706923 - 2¹ = 1375706921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1375706923.

It is not an unprimeable number, because it can be changed into a prime (1375706921) 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, 145236 + ... + 154417.

It is an arithmetic number, because the mean of its divisors is an integer number (344002792).

Almost surely, 2^1375706923 is an apocalyptic number.

1375706923 is a deficient number, since it is larger than the sum of its proper divisors (304245).

1375706923 is an equidigital number, since it uses as much as digits as its factorization.

1375706923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304244.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 1375706923 is about 37090.5233583998. The cubic root of 1375706923 is about 1112.1805802327.

The spelling of 1375706923 in words is "one billion, three hundred seventy-five million, seven hundred six thousand, nine hundred twenty-three".