23403407 has 8 divisors (see below), whose sum is σ = 24850800. Its totient is φ = 21963904.

The previous prime is 23403379. The next prime is 23403431. The reversal of 23403407 is 70430432.

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 23403407 - 2⁶ = 23403343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23403437) 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, 4844 + ... + 8382.

It is an arithmetic number, because the mean of its divisors is an integer number (3106350).

Almost surely, 2^23403407 is an apocalyptic number.

23403407 is a deficient number, since it is larger than the sum of its proper divisors (1447393).

23403407 is a wasteful number, since it uses less digits than its factorization.

23403407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 23403407 is about 4837.7067914457. The cubic root of 23403407 is about 286.0397315496.

Adding to 23403407 its reverse (70430432), we get a palindrome (93833839).

The spelling of 23403407 in words is "twenty-three million, four hundred three thousand, four hundred seven".