23574540 has 96 divisors (see below), whose sum is σ = 75188736. Its totient is φ = 5463040.

The previous prime is 23574503. The next prime is 23574569. The reversal of 23574540 is 4547532.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 23574498 and 23574507.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14404 + ... + 15956.

It is an arithmetic number, because the mean of its divisors is an integer number (783216).

Almost surely, 2^23574540 is an apocalyptic number.

23574540 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 23574540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37594368).

23574540 is an abundant number, since it is smaller than the sum of its proper divisors (51614196).

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

23574540 is a wasteful number, since it uses less digits than its factorization.

23574540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 23574540 is about 4855.3619844456. The cubic root of 23574540 is about 286.7352428932.

The spelling of 23574540 in words is "twenty-three million, five hundred seventy-four thousand, five hundred forty".