2115031423 has 2 divisors, whose sum is σ = 2115031424. Its totient is φ = 2115031422.

The previous prime is 2115031397. The next prime is 2115031427. The reversal of 2115031423 is 3241305112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2115031423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2115031394 and 2115031403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2115031427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057515711 + 1057515712.

It is an arithmetic number, because the mean of its divisors is an integer number (1057515712).

Almost surely, 2^2115031423 is an apocalyptic number.

2115031423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115031423 is an equidigital number, since it uses as much as digits as its factorization.

2115031423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2115031423 is about 45989.4707840827. The cubic root of 2115031423 is about 1283.6272891287.

Adding to 2115031423 its reverse (3241305112), we get a palindrome (5356336535).

The spelling of 2115031423 in words is "two billion, one hundred fifteen million, thirty-one thousand, four hundred twenty-three".