23455405 has 8 divisors (see below), whose sum is σ = 29628000. Its totient is φ = 17776656.

The previous prime is 23455387. The next prime is 23455417. The reversal of 23455405 is 50455432.

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 23455405 - 2²³ = 15066797 is a prime.

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, 123355 + ... + 123544.

It is an arithmetic number, because the mean of its divisors is an integer number (3703500).

Almost surely, 2^23455405 is an apocalyptic number.

It is an amenable number.

23455405 is a deficient number, since it is larger than the sum of its proper divisors (6172595).

23455405 is a wasteful number, since it uses less digits than its factorization.

23455405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246923.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 23455405 is about 4843.0780501660. The cubic root of 23455405 is about 286.2514171411.

It can be divided in two parts, 2345 and 5405, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 23455405 in words is "twenty-three million, four hundred fifty-five thousand, four hundred five".