2315153123 has 2 divisors, whose sum is σ = 2315153124. Its totient is φ = 2315153122.

The previous prime is 2315153111. The next prime is 2315153149. The reversal of 2315153123 is 3213515132.

It is an a-pointer prime, because the next prime (2315153149) can be obtained adding 2315153123 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2315153123 - 2²⁶ = 2248044259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2315153092 and 2315153101.

It is not a weakly prime, because it can be changed into another prime (2315153023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157576561 + 1157576562.

It is an arithmetic number, because the mean of its divisors is an integer number (1157576562).

Almost surely, 2^2315153123 is an apocalyptic number.

2315153123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315153123 is an equidigital number, since it uses as much as digits as its factorization.

2315153123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 26.

The square root of 2315153123 is about 48116.0381058125. The cubic root of 2315153123 is about 1322.8986505266.

Adding to 2315153123 its reverse (3213515132), we get a palindrome (5528668255).

The spelling of 2315153123 in words is "two billion, three hundred fifteen million, one hundred fifty-three thousand, one hundred twenty-three".