13111501423 has 2 divisors, whose sum is σ = 13111501424. Its totient is φ = 13111501422.

The previous prime is 13111501409. The next prime is 13111501439. The reversal of 13111501423 is 32410511131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13111501423 - 2²⁵ = 13077946991 is a prime.

It is a super-2 number, since 2×13111501423² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13111501394 and 13111501403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13111501483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555750711 + 6555750712.

It is an arithmetic number, because the mean of its divisors is an integer number (6555750712).

Almost surely, 2^13111501423 is an apocalyptic number.

13111501423 is a deficient number, since it is larger than the sum of its proper divisors (1).

13111501423 is an equidigital number, since it uses as much as digits as its factorization.

13111501423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The spelling of 13111501423 in words is "thirteen billion, one hundred eleven million, five hundred one thousand, four hundred twenty-three".