1505723 has 2 divisors, whose sum is σ = 1505724. Its totient is φ = 1505722.

The previous prime is 1505711. The next prime is 1505729. The reversal of 1505723 is 3275051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1505723 - 2⁶ = 1505659 is a prime.

It is a super-3 number, since 3×1505723³ = 10241333474173104201, which contains 333 as substring.

It is equal to p₁₁₄₅₈₄ and since 1505723 and 114584 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1505729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 752861 + 752862.

It is an arithmetic number, because the mean of its divisors is an integer number (752862).

2^1505723 is an apocalyptic number.

1505723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1505723 is an equidigital number, since it uses as much as digits as its factorization.

1505723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 1505723 is about 1227.0790520582. The cubic root of 1505723 is about 114.6168217121.

The spelling of 1505723 in words is "one million, five hundred five thousand, seven hundred twenty-three".