2152343023542 has 48 divisors (see below), whose sum is σ = 4716159804720. Its totient is φ = 709333506816.

The previous prime is 2152343023487. The next prime is 2152343023549. The reversal of 2152343023542 is 2453203432512.

2152343023542 is a `hidden beast` number, since 2 + 1 + 52 + 3 + 43 + 0 + 23 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2152343023497 and 2152343023506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152343023549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25466458 + ... + 25550834.

It is an arithmetic number, because the mean of its divisors is an integer number (98253329265).

Almost surely, 2^{2152343023542} is an apocalyptic number.

2152343023542 is an abundant number, since it is smaller than the sum of its proper divisors (2563816781178).

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

2152343023542 is a wasteful number, since it uses less digits than its factorization.

2152343023542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100397 (or 100394 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 2152343023542 in words is "two trillion, one hundred fifty-two billion, three hundred forty-three million, twenty-three thousand, five hundred forty-two".