1670005023 has 32 divisors (see below), whose sum is σ = 2289830400. Its totient is φ = 1082388096.

The previous prime is 1670004997. The next prime is 1670005039. The reversal of 1670005023 is 3205000761.

It is not a de Polignac number, because 1670005023 - 2¹⁰ = 1670003999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1670004984 and 1670005002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670005063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6028761 + ... + 6029037.

It is an arithmetic number, because the mean of its divisors is an integer number (71557200).

Almost surely, 2^1670005023 is an apocalyptic number.

1670005023 is a deficient number, since it is larger than the sum of its proper divisors (619825377).

1670005023 is a wasteful number, since it uses less digits than its factorization.

1670005023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 1670005023 is about 40865.6949408670. The cubic root of 1670005023 is about 1186.4221853669.

Adding to 1670005023 its reverse (3205000761), we get a palindrome (4875005784).

The spelling of 1670005023 in words is "one billion, six hundred seventy million, five thousand, twenty-three".