1670381123 has 6 divisors (see below), whose sum is σ = 1712117532. Its totient is φ = 1629638480.

The previous prime is 1670381113. The next prime is 1670381129. The reversal of 1670381123 is 3211830761.

It is not a de Polignac number, because 1670381123 - 2⁴ = 1670381107 is a prime.

It is a super-2 number, since 2×1670381123² = 5580346192149482258, which contains 22 as substring.

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 1670381123.

It is not an unprimeable number, because it can be changed into a prime (1670381129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 495161 + ... + 498522.

It is an arithmetic number, because the mean of its divisors is an integer number (285352922).

Almost surely, 2^1670381123 is an apocalyptic number.

1670381123 is a deficient number, since it is larger than the sum of its proper divisors (41736409).

1670381123 is an frugal number, since it uses more digits than its factorization.

1670381123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993765 (or 993724 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1670381123 is about 40870.2963409858. The cubic root of 1670381123 is about 1186.5112429615.

The spelling of 1670381123 in words is "one billion, six hundred seventy million, three hundred eighty-one thousand, one hundred twenty-three".