149232823 has 2 divisors, whose sum is σ = 149232824. Its totient is φ = 149232822.

The previous prime is 149232781. The next prime is 149232829. The reversal of 149232823 is 328232941.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149232823 is a prime.

It is equal to p_8403685 and since 149232823 and 8403685 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149232829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74616411 + 74616412.

It is an arithmetic number, because the mean of its divisors is an integer number (74616412).

Almost surely, 2^149232823 is an apocalyptic number.

149232823 is a deficient number, since it is larger than the sum of its proper divisors (1).

149232823 is an equidigital number, since it uses as much as digits as its factorization.

149232823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 149232823 is about 12216.0886948319. The cubic root of 149232823 is about 530.4219056579.

The spelling of 149232823 in words is "one hundred forty-nine million, two hundred thirty-two thousand, eight hundred twenty-three".