123151616453 has 4 divisors (see below), whose sum is σ = 123153231648. Its totient is φ = 123150001260.

The previous prime is 123151616417. The next prime is 123151616477. The reversal of 123151616453 is 354616151321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123151616453 - 2¹² = 123151612357 is a prime.

It is a super-3 number, since 3×123151616453³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123151616153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687251 + ... + 847712.

It is an arithmetic number, because the mean of its divisors is an integer number (30788307912).

Almost surely, 2^123151616453 is an apocalyptic number.

It is an amenable number.

123151616453 is a deficient number, since it is larger than the sum of its proper divisors (1615195).

123151616453 is an equidigital number, since it uses as much as digits as its factorization.

123151616453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615194.

The product of its digits is 64800, while the sum is 38.

Adding to 123151616453 its reverse (354616151321), we get a palindrome (477767767774).

The spelling of 123151616453 in words is "one hundred twenty-three billion, one hundred fifty-one million, six hundred sixteen thousand, four hundred fifty-three".