30213223223 has 4 divisors (see below), whose sum is σ = 31526841648. Its totient is φ = 28899604800.

The previous prime is 30213223219. The next prime is 30213223231. The reversal of 30213223223 is 32232231203.

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 30213223223 - 2² = 30213223219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 1313618401 = 30213223223 / (3 + 0 + 2 + 1 + 3 + 2 + 2 + 3 + 2 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213223273) 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, 656809178 + ... + 656809223.

It is an arithmetic number, because the mean of its divisors is an integer number (7881710412).

Almost surely, 2^30213223223 is an apocalyptic number.

30213223223 is a deficient number, since it is larger than the sum of its proper divisors (1313618425).

30213223223 is a wasteful number, since it uses less digits than its factorization.

30213223223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313618424.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 30213223223 its reverse (32232231203), we get a palindrome (62445454426).

The spelling of 30213223223 in words is "thirty billion, two hundred thirteen million, two hundred twenty-three thousand, two hundred twenty-three".