1453216123 has 2 divisors, whose sum is σ = 1453216124. Its totient is φ = 1453216122.

The previous prime is 1453216103. The next prime is 1453216133. The reversal of 1453216123 is 3216123541.

It is a strong prime.

It is an emirp because it is prime and its reverse (3216123541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1453216123 - 2⁹ = 1453215611 is a prime.

It is a super-2 number, since 2×1453216123² = 4223674200294302258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1453216091 and 1453216100.

It is not a weakly prime, because it can be changed into another prime (1453216103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726608061 + 726608062.

It is an arithmetic number, because the mean of its divisors is an integer number (726608062).

Almost surely, 2^1453216123 is an apocalyptic number.

1453216123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453216123 is an equidigital number, since it uses as much as digits as its factorization.

1453216123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 1453216123 is about 38121.0719025580. The cubic root of 1453216123 is about 1132.6873993319.

Adding to 1453216123 its reverse (3216123541), we get a palindrome (4669339664).

The spelling of 1453216123 in words is "one billion, four hundred fifty-three million, two hundred sixteen thousand, one hundred twenty-three".