1351000123453 has 2 divisors, whose sum is σ = 1351000123454. Its totient is φ = 1351000123452.

The previous prime is 1351000123409. The next prime is 1351000123591. The reversal of 1351000123453 is 3543210001531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1267610277924 + 83389845529 = 1125882^2 + 288773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351000123453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351000123153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675500061726 + 675500061727.

It is an arithmetic number, because the mean of its divisors is an integer number (675500061727).

Almost surely, 2^{1351000123453} is an apocalyptic number.

It is an amenable number.

1351000123453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351000123453 is an equidigital number, since it uses as much as digits as its factorization.

1351000123453 is an evil number, because the sum of its binary digits is even.

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

Adding to 1351000123453 its reverse (3543210001531), we get a palindrome (4894210124984).

The spelling of 1351000123453 in words is "one trillion, three hundred fifty-one billion, one hundred twenty-three thousand, four hundred fifty-three".