23150147 has 2 divisors, whose sum is σ = 23150148. Its totient is φ = 23150146.

The previous prime is 23150143. The next prime is 23150161. The reversal of 23150147 is 74105132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23150147 - 2² = 23150143 is a prime.

It is a super-2 number, since 2×23150147² = 1071858612243218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23150143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11575073 + 11575074.

It is an arithmetic number, because the mean of its divisors is an integer number (11575074).

Almost surely, 2^23150147 is an apocalyptic number.

23150147 is a deficient number, since it is larger than the sum of its proper divisors (1).

23150147 is an equidigital number, since it uses as much as digits as its factorization.

23150147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 23150147 is about 4811.4599655406. The cubic root of 23150147 is about 285.0041940493.

Adding to 23150147 its reverse (74105132), we get a palindrome (97255279).

The spelling of 23150147 in words is "twenty-three million, one hundred fifty thousand, one hundred forty-seven".