23570740 has 12 divisors (see below), whose sum is σ = 49498596. Its totient is φ = 9428288.

The previous prime is 23570719. The next prime is 23570747. The reversal of 23570740 is 4707532.

It can be written as a sum of positive squares in 2 ways, for example, as 17791524 + 5779216 = 4218^2 + 2404^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23570699 and 23570708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23570747) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 589249 + ... + 589288.

It is an arithmetic number, because the mean of its divisors is an integer number (4124883).

Almost surely, 2^23570740 is an apocalyptic number.

23570740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23570740 is an abundant number, since it is smaller than the sum of its proper divisors (25927856).

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

23570740 is a wasteful number, since it uses less digits than its factorization.

23570740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178546 (or 1178544 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 23570740 is about 4854.9706487269. The cubic root of 23570740 is about 286.7198357001.

It can be divided in two parts, 23570 and 740, that added together give a triangular number (24310 = T₂₂₀).

The spelling of 23570740 in words is "twenty-three million, five hundred seventy thousand, seven hundred forty".