23961542 has 8 divisors (see below), whose sum is σ = 39209832. Its totient is φ = 10891600.

The previous prime is 23961521. The next prime is 23961547. The reversal of 23961542 is 24516932.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23961499 and 23961508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23961547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544559 + ... + 544602.

It is an arithmetic number, because the mean of its divisors is an integer number (4901229).

Almost surely, 2^23961542 is an apocalyptic number.

23961542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23961542 is a deficient number, since it is larger than the sum of its proper divisors (15248290).

23961542 is a wasteful number, since it uses less digits than its factorization.

23961542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089174.

The product of its digits is 12960, while the sum is 32.

The square root of 23961542 is about 4895.0528087039. The cubic root of 23961542 is about 288.2957593755.

The spelling of 23961542 in words is "twenty-three million, nine hundred sixty-one thousand, five hundred forty-two".