23140670 has 64 divisors (see below), whose sum is σ = 50872320. Its totient is φ = 7402752.

The previous prime is 23140657. The next prime is 23140673. The reversal of 23140670 is 7604132.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23140673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168842 + ... + 168978.

It is an arithmetic number, because the mean of its divisors is an integer number (794880).

Almost surely, 2^23140670 is an apocalyptic number.

23140670 is an abundant number, since it is smaller than the sum of its proper divisors (27731650).

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

23140670 is a wasteful number, since it uses less digits than its factorization.

23140670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 23140670 is about 4810.4750285185. The cubic root of 23140670 is about 284.9652979190.

The spelling of 23140670 in words is "twenty-three million, one hundred forty thousand, six hundred seventy".