23763213 has 28 divisors (see below), whose sum is σ = 36632988. Its totient is φ = 15396480.

The previous prime is 23763211. The next prime is 23763241. The reversal of 23763213 is 31236732.

23763213 is a `hidden beast` number, since 23 + 7 + 632 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13089924 + 10673289 = 3618^2 + 3267^2 .

It is not a de Polignac number, because 23763213 - 2¹ = 23763211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23763211) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 26533 + ... + 27413.

It is an arithmetic number, because the mean of its divisors is an integer number (1308321).

Almost surely, 2^23763213 is an apocalyptic number.

It is an amenable number.

23763213 is a deficient number, since it is larger than the sum of its proper divisors (12869775).

23763213 is an frugal number, since it uses more digits than its factorization.

23763213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936 (or 921 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 23763213 is about 4874.7526091075. The cubic root of 23763213 is about 287.4981494525.

Adding to 23763213 its reverse (31236732), we get a palindrome (54999945).

The spelling of 23763213 in words is "twenty-three million, seven hundred sixty-three thousand, two hundred thirteen".