23742005 has 8 divisors (see below), whose sum is σ = 32560512. Its totient is φ = 16280208.

The previous prime is 23741983. The next prime is 23742029. The reversal of 23742005 is 50024732.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23742005 - 2¹⁶ = 23676469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 339137 + ... + 339206.

It is an arithmetic number, because the mean of its divisors is an integer number (4070064).

Almost surely, 2^23742005 is an apocalyptic number.

It is an amenable number.

23742005 is a deficient number, since it is larger than the sum of its proper divisors (8818507).

23742005 is an equidigital number, since it uses as much as digits as its factorization.

23742005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678355.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 23742005 is about 4872.5768336682. The cubic root of 23742005 is about 287.4125959889.

Adding to 23742005 its reverse (50024732), we get a palindrome (73766737).

The spelling of 23742005 in words is "twenty-three million, seven hundred forty-two thousand, five".