23542530 has 32 divisors (see below), whose sum is σ = 61639488. Its totient is φ = 5707200.

The previous prime is 23542517. The next prime is 23542531. The reversal of 23542530 is 3524532.

It is a self number, because there is not a number n which added to its sum of digits gives 23542530.

It is not an unprimeable number, because it can be changed into a prime (23542531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35341 + ... + 36000.

It is an arithmetic number, because the mean of its divisors is an integer number (1926234).

Almost surely, 2^23542530 is an apocalyptic number.

23542530 is an abundant number, since it is smaller than the sum of its proper divisors (38096958).

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

23542530 is a wasteful number, since it uses less digits than its factorization.

23542530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71362.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 23542530 is about 4852.0645090518. The cubic root of 23542530 is about 286.6054057544.

It can be divided in two parts, 2354 and 2530, that added together give a palindrome (4884).

The spelling of 23542530 in words is "twenty-three million, five hundred forty-two thousand, five hundred thirty".