23490705 has 64 divisors (see below), whose sum is σ = 45785088. Its totient is φ = 10053120.

The previous prime is 23490703. The next prime is 23490769. The reversal of 23490705 is 50709432.

It is not a de Polignac number, because 23490705 - 2¹ = 23490703 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (23490703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 171397 + ... + 171533.

It is an arithmetic number, because the mean of its divisors is an integer number (715392).

Almost surely, 2^23490705 is an apocalyptic number.

It is an amenable number.

23490705 is a deficient number, since it is larger than the sum of its proper divisors (22294383).

23490705 is a wasteful number, since it uses less digits than its factorization.

23490705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 23490705 is about 4846.7210565495. The cubic root of 23490705 is about 286.3949463922.

The spelling of 23490705 in words is "twenty-three million, four hundred ninety thousand, seven hundred five".