13012541623 has 2 divisors, whose sum is σ = 13012541624. Its totient is φ = 13012541622.

The previous prime is 13012541527. The next prime is 13012541653. The reversal of 13012541623 is 32614521031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13012541623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13012541591 and 13012541600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13012541653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506270811 + 6506270812.

It is an arithmetic number, because the mean of its divisors is an integer number (6506270812).

Almost surely, 2^13012541623 is an apocalyptic number.

13012541623 is a deficient number, since it is larger than the sum of its proper divisors (1).

13012541623 is an equidigital number, since it uses as much as digits as its factorization.

13012541623 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 28.

The spelling of 13012541623 in words is "thirteen billion, twelve million, five hundred forty-one thousand, six hundred twenty-three".