2312534145450 has 96 divisors (see below), whose sum is σ = 5927605680384. Its totient is φ = 596186922240.

The previous prime is 2312534145407. The next prime is 2312534145529. The reversal of 2312534145450 is 545414352132.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2312534145399 and 2312534145408.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 455634 + ... + 2198333.

It is an arithmetic number, because the mean of its divisors is an integer number (61745892504).

Almost surely, 2^{2312534145450} is an apocalyptic number.

2312534145450 is an abundant number, since it is smaller than the sum of its proper divisors (3615071534934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2312534145450 is a wasteful number, since it uses less digits than its factorization.

2312534145450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654176 (or 2654171 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 2312534145450 its reverse (545414352132), we get a palindrome (2857948497582).

The spelling of 2312534145450 in words is "two trillion, three hundred twelve billion, five hundred thirty-four million, one hundred forty-five thousand, four hundred fifty".