23402455 has 8 divisors (see below), whose sum is σ = 29734992. Its totient is φ = 17620608.

The previous prime is 23402453. The next prime is 23402473. The reversal of 23402455 is 55420432.

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 23402455 - 2¹ = 23402453 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23402453) 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, 137577 + ... + 137746.

It is an arithmetic number, because the mean of its divisors is an integer number (3716874).

Almost surely, 2^23402455 is an apocalyptic number.

23402455 is a deficient number, since it is larger than the sum of its proper divisors (6332537).

23402455 is a wasteful number, since it uses less digits than its factorization.

23402455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275345.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 23402455 is about 4837.6083967184. The cubic root of 23402455 is about 286.0358530044.

Adding to 23402455 its reverse (55420432), we get a palindrome (78822887).

The spelling of 23402455 in words is "twenty-three million, four hundred two thousand, four hundred fifty-five".