23309070 has 16 divisors (see below), whose sum is σ = 55941840. Its totient is φ = 6215744.

The previous prime is 23309063. The next prime is 23309089. The reversal of 23309070 is 7090332.

It is a self number, because there is not a number n which added to its sum of digits gives 23309070.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388455 + ... + 388514.

It is an arithmetic number, because the mean of its divisors is an integer number (3496365).

Almost surely, 2^23309070 is an apocalyptic number.

23309070 is an abundant number, since it is smaller than the sum of its proper divisors (32632770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23309070 is a wasteful number, since it uses less digits than its factorization.

23309070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776979.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 23309070 is about 4827.9467685549. The cubic root of 23309070 is about 285.6548806257.

The spelling of 23309070 in words is "twenty-three million, three hundred nine thousand, seventy".