23540000 has 120 divisors (see below), whose sum is σ = 63767088. Its totient is φ = 8480000.

The previous prime is 23539991. The next prime is 23540009. The reversal of 23540000 is 4532.

It is an interprime number because it is at equal distance from previous prime (23539991) and next prime (23540009).

It is not an unprimeable number, because it can be changed into a prime (23540009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 219947 + ... + 220053.

Almost surely, 2^23540000 is an apocalyptic number.

23540000 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 23540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31883544).

23540000 is an abundant number, since it is smaller than the sum of its proper divisors (40227088).

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

23540000 is a wasteful number, since it uses less digits than its factorization.

23540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 23540000 is about 4851.8037882833. The cubic root of 23540000 is about 286.5951386952.

Adding to 23540000 its reverse (4532), we get a palindrome (23544532).

The spelling of 23540000 in words is "twenty-three million, five hundred forty thousand".