23073666 has 32 divisors (see below), whose sum is σ = 57535488. Its totient is φ = 5993040.

The previous prime is 23073649. The next prime is 23073683. The reversal of 23073666 is 66637032.

It is an interprime number because it is at equal distance from previous prime (23073649) and next prime (23073683).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24510 + ... + 25433.

It is an arithmetic number, because the mean of its divisors is an integer number (1797984).

Almost surely, 2^23073666 is an apocalyptic number.

23073666 is an abundant number, since it is smaller than the sum of its proper divisors (34461822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23073666 is a wasteful number, since it uses less digits than its factorization.

23073666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49966.

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 23073666 is about 4803.5055948755. The cubic root of 23073666 is about 284.6899922445.

The spelling of 23073666 in words is "twenty-three million, seventy-three thousand, six hundred sixty-six".