23763161 has 4 divisors (see below), whose sum is σ = 25161012. Its totient is φ = 22365312.

The previous prime is 23763137. The next prime is 23763169. The reversal of 23763161 is 16136732.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20647936 + 3115225 = 4544^2 + 1765^2 .

It is a cyclic number.

It is not a de Polignac number, because 23763161 - 2¹⁸ = 23501017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23763169) 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 3 ways as a sum of consecutive naturals, for example, 698900 + ... + 698933.

It is an arithmetic number, because the mean of its divisors is an integer number (6290253).

Almost surely, 2^23763161 is an apocalyptic number.

It is an amenable number.

23763161 is a deficient number, since it is larger than the sum of its proper divisors (1397851).

23763161 is a wasteful number, since it uses less digits than its factorization.

23763161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397850.

The product of its digits is 4536, while the sum is 29.

The square root of 23763161 is about 4874.7472755005. The cubic root of 23763161 is about 287.4979397458.

Adding to 23763161 its reverse (16136732), we get a palindrome (39899893).

The spelling of 23763161 in words is "twenty-three million, seven hundred sixty-three thousand, one hundred sixty-one".