23150851 has 2 divisors, whose sum is σ = 23150852. Its totient is φ = 23150850.

The previous prime is 23150843. The next prime is 23150861. The reversal of 23150851 is 15805132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23150851 - 2³ = 23150843 is a prime.

It is not a weakly prime, because it can be changed into another prime (23150801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11575425 + 11575426.

It is an arithmetic number, because the mean of its divisors is an integer number (11575426).

Almost surely, 2^23150851 is an apocalyptic number.

23150851 is a deficient number, since it is larger than the sum of its proper divisors (1).

23150851 is an equidigital number, since it uses as much as digits as its factorization.

23150851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 23150851 is about 4811.5331236520. The cubic root of 23150851 is about 285.0070830291.

Adding to 23150851 its reverse (15805132), we get a palindrome (38955983).

The spelling of 23150851 in words is "twenty-three million, one hundred fifty thousand, eight hundred fifty-one".