723213051 has 8 divisors (see below), whose sum is σ = 1051946304. Its totient is φ = 438310920.

The previous prime is 723213047. The next prime is 723213053. The reversal of 723213051 is 150312327.

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

It is not a de Polignac number, because 723213051 - 2² = 723213047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (723213053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10957741 + ... + 10957806.

It is an arithmetic number, because the mean of its divisors is an integer number (131493288).

Almost surely, 2^723213051 is an apocalyptic number.

723213051 is a deficient number, since it is larger than the sum of its proper divisors (328733253).

723213051 is a wasteful number, since it uses less digits than its factorization.

723213051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21915561.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 723213051 is about 26892.6207536566. The cubic root of 723213051 is about 897.6122100634.

Adding to 723213051 its reverse (150312327), we get a palindrome (873525378).

It can be divided in two parts, 72 and 3213051, that added together give a palindrome (3213123).

The spelling of 723213051 in words is "seven hundred twenty-three million, two hundred thirteen thousand, fifty-one".