23216061 has 16 divisors (see below), whose sum is σ = 33991488. Its totient is φ = 13977600.

The previous prime is 23216047. The next prime is 23216069. The reversal of 23216061 is 16061232.

It is a happy number.

It is not a de Polignac number, because 23216061 - 2¹³ = 23207869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23216069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2941 + ... + 7421.

It is an arithmetic number, because the mean of its divisors is an integer number (2124468).

Almost surely, 2^23216061 is an apocalyptic number.

It is an amenable number.

23216061 is a deficient number, since it is larger than the sum of its proper divisors (10775427).

23216061 is a wasteful number, since it uses less digits than its factorization.

23216061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4652.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 23216061 is about 4818.3047848803. The cubic root of 23216061 is about 285.2744294162.

Adding to 23216061 its reverse (16061232), we get a palindrome (39277293).

It can be divided in two parts, 232160 and 61, that added together give a triangular number (232221 = T₆₈₁).

The spelling of 23216061 in words is "twenty-three million, two hundred sixteen thousand, sixty-one".