20523034043 has 8 divisors (see below), whose sum is σ = 20564394480. Its totient is φ = 20481706080.

The previous prime is 20523034027. The next prime is 20523034079. The reversal of 20523034043 is 34043032502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20523034043 - 2⁴ = 20523034027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20523034643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1544753 + ... + 1557981.

It is an arithmetic number, because the mean of its divisors is an integer number (2570549310).

Almost surely, 2^20523034043 is an apocalyptic number.

20523034043 is a deficient number, since it is larger than the sum of its proper divisors (41360437).

20523034043 is a wasteful number, since it uses less digits than its factorization.

20523034043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16237.

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 20523034043 its reverse (34043032502), we get a palindrome (54566066545).

The spelling of 20523034043 in words is "twenty billion, five hundred twenty-three million, thirty-four thousand, forty-three".