13123045051 has 2 divisors, whose sum is σ = 13123045052. Its totient is φ = 13123045050.

The previous prime is 13123045043. The next prime is 13123045057. The reversal of 13123045051 is 15054032131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13123045051 - 2³ = 13123045043 is a prime.

It is a super-2 number, since 2×13123045051² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13123045057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561522525 + 6561522526.

It is an arithmetic number, because the mean of its divisors is an integer number (6561522526).

Almost surely, 2^13123045051 is an apocalyptic number.

13123045051 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123045051 is an equidigital number, since it uses as much as digits as its factorization.

13123045051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 13123045051 its reverse (15054032131), we get a palindrome (28177077182).

The spelling of 13123045051 in words is "thirteen billion, one hundred twenty-three million, forty-five thousand, fifty-one".