23253301666 has 16 divisors (see below), whose sum is σ = 39867842304. Its totient is φ = 9964440864.

The previous prime is 23253301657. The next prime is 23253301679. The reversal of 23253301666 is 66610335232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14391 + ... + 216133.

It is an arithmetic number, because the mean of its divisors is an integer number (2491740144).

Almost surely, 2^23253301666 is an apocalyptic number.

23253301666 is a deficient number, since it is larger than the sum of its proper divisors (16614540638).

23253301666 is a wasteful number, since it uses less digits than its factorization.

23253301666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209985.

The product of its (nonzero) digits is 116640, while the sum is 37.

Adding to 23253301666 its reverse (66610335232), we get a palindrome (89863636898).

The spelling of 23253301666 in words is "twenty-three billion, two hundred fifty-three million, three hundred one thousand, six hundred sixty-six".