1453021123 has 2 divisors, whose sum is σ = 1453021124. Its totient is φ = 1453021122.

The previous prime is 1453021091. The next prime is 1453021139. The reversal of 1453021123 is 3211203541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1453021123 - 2⁵ = 1453021091 is a prime.

It is a super-2 number, since 2×1453021123² = 4222540767768362258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1453021094 and 1453021103.

It is not a weakly prime, because it can be changed into another prime (1453021153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726510561 + 726510562.

It is an arithmetic number, because the mean of its divisors is an integer number (726510562).

Almost surely, 2^1453021123 is an apocalyptic number.

1453021123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453021123 is an equidigital number, since it uses as much as digits as its factorization.

1453021123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1453021123 is about 38118.5141761848. The cubic root of 1453021123 is about 1132.6367337956.

Adding to 1453021123 its reverse (3211203541), we get a palindrome (4664224664).

It can be divided in two parts, 14530 and 21123, that added together give a palindrome (35653).

The spelling of 1453021123 in words is "one billion, four hundred fifty-three million, twenty-one thousand, one hundred twenty-three".