23977011 has 4 divisors (see below), whose sum is σ = 31969352. Its totient is φ = 15984672.

The previous prime is 23977001. The next prime is 23977013. The reversal of 23977011 is 11077932.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23977011 - 2⁶ = 23976947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23977011.

It is not an unprimeable number, because it can be changed into a prime (23977013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3996166 + ... + 3996171.

It is an arithmetic number, because the mean of its divisors is an integer number (7992338).

Almost surely, 2^23977011 is an apocalyptic number.

23977011 is a deficient number, since it is larger than the sum of its proper divisors (7992341).

23977011 is an equidigital number, since it uses as much as digits as its factorization.

23977011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7992340.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 23977011 is about 4896.6326184430. The cubic root of 23977011 is about 288.3577849854.

The spelling of 23977011 in words is "twenty-three million, nine hundred seventy-seven thousand, eleven".