1403123453 has 2 divisors, whose sum is σ = 1403123454. Its totient is φ = 1403123452.

The previous prime is 1403123417. The next prime is 1403123473. The reversal of 1403123453 is 3543213041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1295856004 + 107267449 = 35998^2 + 10357^2 .

It is a cyclic number.

It is not a de Polignac number, because 1403123453 - 2¹⁶ = 1403057917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1403123473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701561726 + 701561727.

It is an arithmetic number, because the mean of its divisors is an integer number (701561727).

Almost surely, 2^1403123453 is an apocalyptic number.

It is an amenable number.

1403123453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403123453 is an equidigital number, since it uses as much as digits as its factorization.

1403123453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1403123453 is about 37458.2895098001. The cubic root of 1403123453 is about 1119.5202699396.

Adding to 1403123453 its reverse (3543213041), we get a palindrome (4946336494).

The spelling of 1403123453 in words is "one billion, four hundred three million, one hundred twenty-three thousand, four hundred fifty-three".