23514240 has 128 divisors (see below), whose sum is σ = 77209920. Its totient is φ = 6082560.

The previous prime is 23514233. The next prime is 23514251. The reversal of 23514240 is 4241532.

It is a tau number, because it is divible by the number of its divisors (128).

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, 70875 + ... + 71205.

Almost surely, 2^23514240 is an apocalyptic number.

23514240 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 23514240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38604960).

23514240 is an abundant number, since it is smaller than the sum of its proper divisors (53695680).

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

23514240 is a wasteful number, since it uses less digits than its factorization.

23514240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 23514240 is about 4849.1483788393. The cubic root of 23514240 is about 286.4905594628.

Adding to 23514240 its reverse (4241532), we get a palindrome (27755772).

The spelling of 23514240 in words is "twenty-three million, five hundred fourteen thousand, two hundred forty".