152423891 has 2 divisors, whose sum is σ = 152423892. Its totient is φ = 152423890.

The previous prime is 152423881. The next prime is 152423893. The reversal of 152423891 is 198324251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152423891 - 2⁶ = 152423827 is a prime.

Together with 152423893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (152423893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76211945 + 76211946.

It is an arithmetic number, because the mean of its divisors is an integer number (76211946).

Almost surely, 2^152423891 is an apocalyptic number.

152423891 is a deficient number, since it is larger than the sum of its proper divisors (1).

152423891 is an equidigital number, since it uses as much as digits as its factorization.

152423891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 152423891 is about 12346.0070873137. The cubic root of 152423891 is about 534.1759707990.

The spelling of 152423891 in words is "one hundred fifty-two million, four hundred twenty-three thousand, eight hundred ninety-one".