13898123311 has 2 divisors, whose sum is σ = 13898123312. Its totient is φ = 13898123310.

The previous prime is 13898123279. The next prime is 13898123341. The reversal of 13898123311 is 11332189831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13898123311 - 2⁵ = 13898123279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13898123341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6949061655 + 6949061656.

It is an arithmetic number, because the mean of its divisors is an integer number (6949061656).

Almost surely, 2^13898123311 is an apocalyptic number.

13898123311 is a deficient number, since it is larger than the sum of its proper divisors (1).

13898123311 is an equidigital number, since it uses as much as digits as its factorization.

13898123311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 40.

The spelling of 13898123311 in words is "thirteen billion, eight hundred ninety-eight million, one hundred twenty-three thousand, three hundred eleven".