23155995 has 8 divisors (see below), whose sum is σ = 37049616. Its totient is φ = 12349856.

The previous prime is 23155991. The next prime is 23155997. The reversal of 23155995 is 59955132.

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 23155995 - 2² = 23155991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23155991) 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, 771852 + ... + 771881.

It is an arithmetic number, because the mean of its divisors is an integer number (4631202).

Almost surely, 2^23155995 is an apocalyptic number.

23155995 is a deficient number, since it is larger than the sum of its proper divisors (13893621).

23155995 is a wasteful number, since it uses less digits than its factorization.

23155995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543741.

The product of its digits is 60750, while the sum is 39.

The square root of 23155995 is about 4812.0676429161. The cubic root of 23155995 is about 285.0281905017.

The spelling of 23155995 in words is "twenty-three million, one hundred fifty-five thousand, nine hundred ninety-five".