149723 has 8 divisors (see below), whose sum is σ = 174048. Its totient is φ = 126144.

The previous prime is 149717. The next prime is 149729. The reversal of 149723 is 327941.

149723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (149717) and next prime (149729).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-149723 is a prime.

It is a nialpdrome in base 8.

It is a zygodrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 149692 and 149701.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 149723.

It is not an unprimeable number, because it can be changed into a prime (149729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365 + ... + 657.

It is an arithmetic number, because the mean of its divisors is an integer number (21756).

2¹⁴⁹⁷²³ is an apocalyptic number.

149723 is a deficient number, since it is larger than the sum of its proper divisors (24325).

149723 is an equidigital number, since it uses as much as digits as its factorization.

149723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373.

The product of its digits is 1512, while the sum is 26.

The square root of 149723 is about 386.9405639113. The cubic root of 149723 is about 53.1002020366.

The spelling of 149723 in words is "one hundred forty-nine thousand, seven hundred twenty-three".