23370540 has 48 divisors (see below), whose sum is σ = 65974272. Its totient is φ = 6181056.

The previous prime is 23370521. The next prime is 23370577. The reversal of 23370540 is 4507332.

It is a self number, because there is not a number n which added to its sum of digits gives 23370540.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6087 + ... + 9153.

It is an arithmetic number, because the mean of its divisors is an integer number (1374464).

Almost surely, 2^23370540 is an apocalyptic number.

23370540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23370540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32987136).

23370540 is an abundant number, since it is smaller than the sum of its proper divisors (42603732).

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

23370540 is a wasteful number, since it uses less digits than its factorization.

23370540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206 (or 3204 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 23370540 is about 4834.3086372304. The cubic root of 23370540 is about 285.9057671196.

Adding to 23370540 its reverse (4507332), we get a palindrome (27877872).

The spelling of 23370540 in words is "twenty-three million, three hundred seventy thousand, five hundred forty".