23420307 has 8 divisors (see below), whose sum is σ = 31988880. Its totient is φ = 15232640.

The previous prime is 23420281. The next prime is 23420323. The reversal of 23420307 is 70302432.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23420307 - 2¹⁹ = 22896019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23420347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95082 + ... + 95327.

It is an arithmetic number, because the mean of its divisors is an integer number (3998610).

Almost surely, 2^23420307 is an apocalyptic number.

23420307 is a deficient number, since it is larger than the sum of its proper divisors (8568573).

23420307 is a wasteful number, since it uses less digits than its factorization.

23420307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190453.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 23420307 is about 4839.4531715887. The cubic root of 23420307 is about 286.1085663756.

Adding to 23420307 its reverse (70302432), we get a palindrome (93722739).

The spelling of 23420307 in words is "twenty-three million, four hundred twenty thousand, three hundred seven".