23213670 has 64 divisors (see below), whose sum is σ = 61585920. Its totient is φ = 5570048.

The previous prime is 23213669. The next prime is 23213681. The reversal of 23213670 is 7631232.

It is a self number, because there is not a number n which added to its sum of digits gives 23213670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10741 + ... + 12719.

It is an arithmetic number, because the mean of its divisors is an integer number (962280).

Almost surely, 2^23213670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23213670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30792960).

23213670 is an abundant number, since it is smaller than the sum of its proper divisors (38372250).

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

23213670 is a wasteful number, since it uses less digits than its factorization.

23213670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 23213670 is about 4818.0566621824. The cubic root of 23213670 is about 285.2646356994.

The spelling of 23213670 in words is "twenty-three million, two hundred thirteen thousand, six hundred seventy".