23403455 has 8 divisors (see below), whose sum is σ = 28122000. Its totient is φ = 18697536.

The previous prime is 23403451. The next prime is 23403467. The reversal of 23403455 is 55430432.

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 23403455 - 2² = 23403451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23403451) 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, 1571 + ... + 7019.

It is an arithmetic number, because the mean of its divisors is an integer number (3515250).

Almost surely, 2^23403455 is an apocalyptic number.

23403455 is a deficient number, since it is larger than the sum of its proper divisors (4718545).

23403455 is an equidigital number, since it uses as much as digits as its factorization.

23403455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6313.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 23403455 is about 4837.7117524714. The cubic root of 23403455 is about 286.0399271038.

Adding to 23403455 its reverse (55430432), we get a palindrome (78833887).

The spelling of 23403455 in words is "twenty-three million, four hundred three thousand, four hundred fifty-five".