23177045 has 6 divisors (see below), whose sum is σ = 27825378. Its totient is φ = 18533024.

The previous prime is 23177039. The next prime is 23177047. The reversal of 23177045 is 54077132.

It can be written as a sum of positive squares in 3 ways, for example, as 813604 + 22363441 = 902^2 + 4729^2 .

It is not a de Polignac number, because 23177045 - 2¹² = 23172949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23176999 and 23177017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23177047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9689 + ... + 11841.

It is an arithmetic number, because the mean of its divisors is an integer number (4637563).

Almost surely, 2^23177045 is an apocalyptic number.

It is an amenable number.

23177045 is a deficient number, since it is larger than the sum of its proper divisors (4648333).

23177045 is an frugal number, since it uses more digits than its factorization.

23177045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311 (or 2158 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 23177045 is about 4814.2543555570. The cubic root of 23177045 is about 285.1145328114.

The spelling of 23177045 in words is "twenty-three million, one hundred seventy-seven thousand, forty-five".