23315370 has 64 divisors (see below), whose sum is σ = 60770304. Its totient is φ = 5690880.

The previous prime is 23315351. The next prime is 23315387. The reversal of 23315370 is 7351332.

It is a self number, because there is not a number n which added to its sum of digits gives 23315370.

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 31 ways as a sum of consecutive naturals, for example, 74334 + ... + 74646.

It is an arithmetic number, because the mean of its divisors is an integer number (949536).

Almost surely, 2^23315370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23315370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30385152).

23315370 is an abundant number, since it is smaller than the sum of its proper divisors (37454934).

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

23315370 is a wasteful number, since it uses less digits than its factorization.

23315370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527.

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 23315370 is about 4828.5991757445. The cubic root of 23315370 is about 285.6806140081.

The spelling of 23315370 in words is "twenty-three million, three hundred fifteen thousand, three hundred seventy".