23070340 has 12 divisors (see below), whose sum is σ = 48447756. Its totient is φ = 9228128.

The previous prime is 23070337. The next prime is 23070347. The reversal of 23070340 is 4307032.

It can be written as a sum of positive squares in 2 ways, for example, as 16016004 + 7054336 = 4002^2 + 2656^2 .

It is not an unprimeable number, because it can be changed into a prime (23070347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576739 + ... + 576778.

It is an arithmetic number, because the mean of its divisors is an integer number (4037313).

Almost surely, 2^23070340 is an apocalyptic number.

23070340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23070340 is an abundant number, since it is smaller than the sum of its proper divisors (25377416).

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

23070340 is a wasteful number, since it uses less digits than its factorization.

23070340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153526 (or 1153524 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 23070340 is about 4803.1593769102. The cubic root of 23070340 is about 284.6763125167.

Adding to 23070340 its reverse (4307032), we get a palindrome (27377372).

The spelling of 23070340 in words is "twenty-three million, seventy thousand, three hundred forty".