149223343 has 2 divisors, whose sum is σ = 149223344. Its totient is φ = 149223342.

The previous prime is 149223341. The next prime is 149223391. The reversal of 149223343 is 343322941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149223343 - 2¹ = 149223341 is a prime.

Together with 149223341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149223341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74611671 + 74611672.

It is an arithmetic number, because the mean of its divisors is an integer number (74611672).

Almost surely, 2^149223343 is an apocalyptic number.

149223343 is a deficient number, since it is larger than the sum of its proper divisors (1).

149223343 is an equidigital number, since it uses as much as digits as its factorization.

149223343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 31.

The square root of 149223343 is about 12215.7006757697. The cubic root of 149223343 is about 530.4106737541.

The spelling of 149223343 in words is "one hundred forty-nine million, two hundred twenty-three thousand, three hundred forty-three".