23678073 has 12 divisors (see below), whose sum is σ = 34254948. Its totient is φ = 15760800.

The previous prime is 23678071. The next prime is 23678087. The reversal of 23678073 is 37087632.

It can be written as a sum of positive squares in 2 ways, for example, as 8020224 + 15657849 = 2832^2 + 3957^2 .

It is not a de Polignac number, because 23678073 - 2¹ = 23678071 is a prime.

It is a super-2 number, since 2×23678073² = 1121302281986658, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23678071) 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 11 ways as a sum of consecutive naturals, for example, 5523 + ... + 8823.

It is an arithmetic number, because the mean of its divisors is an integer number (2854579).

Almost surely, 2^23678073 is an apocalyptic number.

It is an amenable number.

23678073 is a deficient number, since it is larger than the sum of its proper divisors (10576875).

23678073 is a wasteful number, since it uses less digits than its factorization.

23678073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104 (or 4101 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 23678073 is about 4866.0120221800. The cubic root of 23678073 is about 287.1543844358.

It can be divided in two parts, 2367 and 8073, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 23678073 in words is "twenty-three million, six hundred seventy-eight thousand, seventy-three".