30123226453 has 8 divisors (see below), whose sum is σ = 30232250136. Its totient is φ = 30014400000.

The previous prime is 30123226451. The next prime is 30123226489. The reversal of 30123226453 is 35462232103.

It can be written as a sum of positive squares in 4 ways, for example, as 5484587364 + 24638639089 = 74058^2 + 156967^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30123226453 - 2¹ = 30123226451 is a prime.

It is a super-2 number, since 2×30123226453² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123226451) 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, 260203 + ... + 357703.

It is an arithmetic number, because the mean of its divisors is an integer number (3779031267).

Almost surely, 2^30123226453 is an apocalyptic number.

It is an amenable number.

30123226453 is a deficient number, since it is larger than the sum of its proper divisors (109023683).

30123226453 is an equidigital number, since it uses as much as digits as its factorization.

30123226453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98615.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 30123226453 its reverse (35462232103), we get a palindrome (65585458556).

The spelling of 30123226453 in words is "thirty billion, one hundred twenty-three million, two hundred twenty-six thousand, four hundred fifty-three".