745323 has 4 divisors (see below), whose sum is σ = 993768. Its totient is φ = 496880.

The previous prime is 745307. The next prime is 745337. The reversal of 745323 is 323547.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 745323 - 2⁴ = 745307 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 745293 and 745302.

It is not an unprimeable number, because it can be changed into a prime (745343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124218 + ... + 124223.

It is an arithmetic number, because the mean of its divisors is an integer number (248442).

2⁷⁴⁵³²³ is an apocalyptic number.

745323 is a deficient number, since it is larger than the sum of its proper divisors (248445).

745323 is a wasteful number, since it uses less digits than its factorization.

745323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248444.

The product of its digits is 2520, while the sum is 24.

The square root of 745323 is about 863.3209136816. The cubic root of 745323 is about 90.6667762998. Note that the first 3 decimals are identical.

The spelling of 745323 in words is "seven hundred forty-five thousand, three hundred twenty-three".