1213070723 has 2 divisors, whose sum is σ = 1213070724. Its totient is φ = 1213070722.

The previous prime is 1213070699. The next prime is 1213070753. The reversal of 1213070723 is 3270703121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213070723 - 2⁶ = 1213070659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1213070692 and 1213070701.

It is not a weakly prime, because it can be changed into another prime (1213070753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606535361 + 606535362.

It is an arithmetic number, because the mean of its divisors is an integer number (606535362).

Almost surely, 2^1213070723 is an apocalyptic number.

1213070723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213070723 is an equidigital number, since it uses as much as digits as its factorization.

1213070723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 1213070723 is about 34829.1648335127. The cubic root of 1213070723 is about 1066.5028993478.

Adding to 1213070723 its reverse (3270703121), we get a palindrome (4483773844).

The spelling of 1213070723 in words is "one billion, two hundred thirteen million, seventy thousand, seven hundred twenty-three".