2315123121452 has 6 divisors (see below), whose sum is σ = 4051465462548. Its totient is φ = 1157561560724.

The previous prime is 2315123121449. The next prime is 2315123121463. The reversal of 2315123121452 is 2541213215132.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289390390178 + ... + 289390390185.

It is an arithmetic number, because the mean of its divisors is an integer number (675244243758).

Almost surely, 2^{2315123121452} is an apocalyptic number.

It is an amenable number.

2315123121452 is a deficient number, since it is larger than the sum of its proper divisors (1736342341096).

2315123121452 is a wasteful number, since it uses less digits than its factorization.

2315123121452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578780780367 (or 578780780365 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

Adding to 2315123121452 its reverse (2541213215132), we get a palindrome (4856336336584).

The spelling of 2315123121452 in words is "two trillion, three hundred fifteen billion, one hundred twenty-three million, one hundred twenty-one thousand, four hundred fifty-two".