2049170023 has 8 divisors (see below), whose sum is σ = 2064623616. Its totient is φ = 2033775000.

The previous prime is 2049169943. The next prime is 2049170041. The reversal of 2049170023 is 3200719402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2049170023 - 2²⁹ = 1512299111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2049169973 and 2049170000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049170093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56898 + ... + 85648.

It is an arithmetic number, because the mean of its divisors is an integer number (258077952).

Almost surely, 2^2049170023 is an apocalyptic number.

2049170023 is a deficient number, since it is larger than the sum of its proper divisors (15453593).

2049170023 is a wasteful number, since it uses less digits than its factorization.

2049170023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29285.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2049170023 is about 45267.7592001195. The cubic root of 2049170023 is about 1270.1626309186.

Adding to 2049170023 its reverse (3200719402), we get a palindrome (5249889425).

The spelling of 2049170023 in words is "two billion, forty-nine million, one hundred seventy thousand, twenty-three".