149336023 has 2 divisors, whose sum is σ = 149336024. Its totient is φ = 149336022.

The previous prime is 149336003. The next prime is 149336039. The reversal of 149336023 is 320633941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149336023 - 2¹³ = 149327831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149336003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74668011 + 74668012.

It is an arithmetic number, because the mean of its divisors is an integer number (74668012).

Almost surely, 2^149336023 is an apocalyptic number.

149336023 is a deficient number, since it is larger than the sum of its proper divisors (1).

149336023 is an equidigital number, since it uses as much as digits as its factorization.

149336023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 149336023 is about 12220.3119027298. The cubic root of 149336023 is about 530.5441462532.

Adding to 149336023 its reverse (320633941), we get a palindrome (469969964).

The spelling of 149336023 in words is "one hundred forty-nine million, three hundred thirty-six thousand, twenty-three".