372216723 has 4 divisors (see below), whose sum is σ = 496288968. Its totient is φ = 248144480.

The previous prime is 372216709. The next prime is 372216739. The reversal of 372216723 is 327612273.

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 372216723 - 2¹⁰ = 372215699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (372216703) 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, 62036118 + ... + 62036123.

It is an arithmetic number, because the mean of its divisors is an integer number (124072242).

Almost surely, 2^372216723 is an apocalyptic number.

372216723 is a deficient number, since it is larger than the sum of its proper divisors (124072245).

372216723 is a wasteful number, since it uses less digits than its factorization.

372216723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124072244.

The product of its digits is 21168, while the sum is 33.

The square root of 372216723 is about 19292.9189859907. The cubic root of 372216723 is about 719.3362729809.

Adding to 372216723 its reverse (327612273), we get a palindrome (699828996).

The spelling of 372216723 in words is "three hundred seventy-two million, two hundred sixteen thousand, seven hundred twenty-three".