23543034021534 has 32 divisors (see below), whose sum is σ = 47457638424576. Its totient is φ = 7785751730400.

The previous prime is 23543034021517. The next prime is 23543034021653. The reversal of 23543034021534 is 43512043034532.

It is a super-3 number, since 3×23543034021534³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23543034021492 and 23543034021501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50594559 + ... + 51057765.

It is an arithmetic number, because the mean of its divisors is an integer number (1483051200768).

Almost surely, 2^{23543034021534} is an apocalyptic number.

23543034021534 is an abundant number, since it is smaller than the sum of its proper divisors (23914604403042).

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

23543034021534 is a wasteful number, since it uses less digits than its factorization.

23543034021534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530040.

The product of its (nonzero) digits is 518400, while the sum is 39.

The spelling of 23543034021534 in words is "twenty-three trillion, five hundred forty-three billion, thirty-four million, twenty-one thousand, five hundred thirty-four".