723740253 has 8 divisors (see below), whose sum is σ = 973527168. Its totient is φ = 478223424.

The previous prime is 723740243. The next prime is 723740273. The reversal of 723740253 is 352047327.

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

It is not a de Polignac number, because 723740253 - 2⁹ = 723739741 is a prime.

It is a super-3 number, since 3×723740253³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723740203) 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, 1067125 + ... + 1067802.

It is an arithmetic number, because the mean of its divisors is an integer number (121690896).

Almost surely, 2^723740253 is an apocalyptic number.

It is an amenable number.

723740253 is a deficient number, since it is larger than the sum of its proper divisors (249786915).

723740253 is a wasteful number, since it uses less digits than its factorization.

723740253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135043.

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 723740253 is about 26902.4209505390. The cubic root of 723740253 is about 897.8302684486.

The spelling of 723740253 in words is "seven hundred twenty-three million, seven hundred forty thousand, two hundred fifty-three".