1030223123551 has 4 divisors (see below), whose sum is σ = 1030878900504. Its totient is φ = 1029567346600.

The previous prime is 1030223123533. The next prime is 1030223123557. The reversal of 1030223123551 is 1553213220301.

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 1030223123551 - 2¹⁷ = 1030222992479 is a prime.

It is a super-2 number, since 2×1030223123551² (a number of 25 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 (1030223123557) 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, 327886120 + ... + 327889261.

It is an arithmetic number, because the mean of its divisors is an integer number (257719725126).

Almost surely, 2^{1030223123551} is an apocalyptic number.

1030223123551 is a deficient number, since it is larger than the sum of its proper divisors (655776953).

1030223123551 is an equidigital number, since it uses as much as digits as its factorization.

1030223123551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655776952.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 1030223123551 its reverse (1553213220301), we get a palindrome (2583436343852).

The spelling of 1030223123551 in words is "one trillion, thirty billion, two hundred twenty-three million, one hundred twenty-three thousand, five hundred fifty-one".