149270923 has 2 divisors, whose sum is σ = 149270924. Its totient is φ = 149270922.

The previous prime is 149270903. The next prime is 149270941. The reversal of 149270923 is 329072941.

149270923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149270923 - 2¹³ = 149262731 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (149270903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74635461 + 74635462.

It is an arithmetic number, because the mean of its divisors is an integer number (74635462).

Almost surely, 2^149270923 is an apocalyptic number.

149270923 is a deficient number, since it is larger than the sum of its proper divisors (1).

149270923 is an equidigital number, since it uses as much as digits as its factorization.

149270923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 149270923 is about 12217.6480142456. The cubic root of 149270923 is about 530.4670417404.

The spelling of 149270923 in words is "one hundred forty-nine million, two hundred seventy thousand, nine hundred twenty-three".