23230923156187 has 4 divisors (see below), whose sum is σ = 23577653352616. Its totient is φ = 22884192959760.

The previous prime is 23230923156131. The next prime is 23230923156209. The reversal of 23230923156187 is 78165132903232.

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

It is a cyclic number.

It is not a de Polignac number, because 23230923156187 - 2²³ = 23230914767579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23230923156787) 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, 173365098114 + ... + 173365098247.

It is an arithmetic number, because the mean of its divisors is an integer number (5894413338154).

Almost surely, 2^{23230923156187} is an apocalyptic number.

23230923156187 is a deficient number, since it is larger than the sum of its proper divisors (346730196429).

23230923156187 is an equidigital number, since it uses as much as digits as its factorization.

23230923156187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346730196428.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 23230923156187 in words is "twenty-three trillion, two hundred thirty billion, nine hundred twenty-three million, one hundred fifty-six thousand, one hundred eighty-seven".