23779005 has 16 divisors (see below), whose sum is σ = 40284864. Its totient is φ = 11936000.

The previous prime is 23779003. The next prime is 23779009. The reversal of 23779005 is 50097732.

It is not a de Polignac number, because 23779005 - 2¹ = 23779003 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 (23779003) 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, 46371 + ... + 46880.

It is an arithmetic number, because the mean of its divisors is an integer number (2517804).

Almost surely, 2^23779005 is an apocalyptic number.

It is an amenable number.

23779005 is a deficient number, since it is larger than the sum of its proper divisors (16505859).

23779005 is a wasteful number, since it uses less digits than its factorization.

23779005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93276.

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 23779005 is about 4876.3721145950. The cubic root of 23779005 is about 287.5618216141.

The spelling of 23779005 in words is "twenty-three million, seven hundred seventy-nine thousand, five".