149237423 has 2 divisors, whose sum is σ = 149237424. Its totient is φ = 149237422.

The previous prime is 149237383. The next prime is 149237437. The reversal of 149237423 is 324732941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149237423 - 2⁶ = 149237359 is a prime.

It is equal to p_8403929 and since 149237423 and 8403929 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 (149237483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74618711 + 74618712.

It is an arithmetic number, because the mean of its divisors is an integer number (74618712).

Almost surely, 2^149237423 is an apocalyptic number.

149237423 is a deficient number, since it is larger than the sum of its proper divisors (1).

149237423 is an equidigital number, since it uses as much as digits as its factorization.

149237423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 149237423 is about 12216.2769696827. The cubic root of 149237423 is about 530.4273555664.

The spelling of 149237423 in words is "one hundred forty-nine million, two hundred thirty-seven thousand, four hundred twenty-three".