23811097 has 4 divisors (see below), whose sum is σ = 23896116. Its totient is φ = 23726080.

The previous prime is 23811083. The next prime is 23811107. The reversal of 23811097 is 79011832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16941456 + 6869641 = 4116^2 + 2621^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23811097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23812097) 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, 42088 + ... + 42649.

It is an arithmetic number, because the mean of its divisors is an integer number (5974029).

Almost surely, 2^23811097 is an apocalyptic number.

It is an amenable number.

23811097 is a deficient number, since it is larger than the sum of its proper divisors (85019).

23811097 is an equidigital number, since it uses as much as digits as its factorization.

23811097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85018.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 23811097 is about 4879.6615661335. The cubic root of 23811097 is about 287.6911273545.

The spelling of 23811097 in words is "twenty-three million, eight hundred eleven thousand, ninety-seven".