23972105 has 8 divisors (see below), whose sum is σ = 29161032. Its totient is φ = 18914688.

The previous prime is 23972101. The next prime is 23972107. The reversal of 23972105 is 50127932.

It can be written as a sum of positive squares in 4 ways, for example, as 652864 + 23319241 = 808^2 + 4829^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23972105 - 2² = 23972101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23972101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32474 + ... + 33203.

It is an arithmetic number, because the mean of its divisors is an integer number (3645129).

Almost surely, 2^23972105 is an apocalyptic number.

It is an amenable number.

23972105 is a deficient number, since it is larger than the sum of its proper divisors (5188927).

23972105 is an equidigital number, since it uses as much as digits as its factorization.

23972105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65755.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 23972105 is about 4896.1316363023. The cubic root of 23972105 is about 288.3381164260.

The spelling of 23972105 in words is "twenty-three million, nine hundred seventy-two thousand, one hundred five".