3149820723 has 16 divisors (see below), whose sum is σ = 4836370176. Its totient is φ = 1786156320.

The previous prime is 3149820691. The next prime is 3149820743. The reversal of 3149820723 is 3270289413.

It is not a de Polignac number, because 3149820723 - 2⁵ = 3149820691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3149820743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569736 + ... + 575237.

It is an arithmetic number, because the mean of its divisors is an integer number (302273136).

Almost surely, 2^3149820723 is an apocalyptic number.

3149820723 is a deficient number, since it is larger than the sum of its proper divisors (1686549453).

3149820723 is a wasteful number, since it uses less digits than its factorization.

3149820723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145114.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 3149820723 is about 56123.2636524285. The cubic root of 3149820723 is about 1465.8693986518.

The spelling of 3149820723 in words is "three billion, one hundred forty-nine million, eight hundred twenty thousand, seven hundred twenty-three".