723429 has 12 divisors (see below), whose sum is σ = 1194336. Its totient is φ = 413352.

The previous prime is 723421. The next prime is 723439. The reversal of 723429 is 924327.

723429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 723429 - 2³ = 723421 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5679 + ... + 5804.

It is an arithmetic number, because the mean of its divisors is an integer number (99528).

2⁷²³⁴²⁹ is an apocalyptic number.

It is an amenable number.

723429 is a deficient number, since it is larger than the sum of its proper divisors (470907).

723429 is a wasteful number, since it uses less digits than its factorization.

723429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11496 (or 11493 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 723429 is about 850.5462950363. The cubic root of 723429 is about 89.7701542508.

It can be divided in two parts, 7 and 23429, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 723429 in words is "seven hundred twenty-three thousand, four hundred twenty-nine".