2303543544542 has 16 divisors (see below), whose sum is σ = 3633936556032. Its totient is φ = 1093019974200.

The previous prime is 2303543544409. The next prime is 2303543544619. The reversal of 2303543544542 is 2454453453032.

It is a super-2 number, since 2×2303543544542² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2303543544493 and 2303543544502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197147834 + ... + 197159517.

It is an arithmetic number, because the mean of its divisors is an integer number (227121034752).

Almost surely, 2^{2303543544542} is an apocalyptic number.

2303543544542 is a deficient number, since it is larger than the sum of its proper divisors (1330393011490).

2303543544542 is a wasteful number, since it uses less digits than its factorization.

2303543544542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394307503.

The product of its (nonzero) digits is 3456000, while the sum is 44.

Adding to 2303543544542 its reverse (2454453453032), we get a palindrome (4757996997574).

The spelling of 2303543544542 in words is "two trillion, three hundred three billion, five hundred forty-three million, five hundred forty-four thousand, five hundred forty-two".