20423151200043 has 16 divisors (see below), whose sum is σ = 30423683399200. Its totient is φ = 13540210737120.

The previous prime is 20423151200027. The next prime is 20423151200059. The reversal of 20423151200043 is 34000215132402.

20423151200043 is a `hidden beast` number, since 20 + 423 + 15 + 1 + 200 + 0 + 4 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (20423151200027) and next prime (20423151200059).

It is not a de Polignac number, because 20423151200043 - 2⁴ = 20423151200027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20423151205043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2089533808 + ... + 2089543581.

It is an arithmetic number, because the mean of its divisors is an integer number (1901480212450).

Almost surely, 2^{20423151200043} is an apocalyptic number.

20423151200043 is a deficient number, since it is larger than the sum of its proper divisors (10000532199157).

20423151200043 is a wasteful number, since it uses less digits than its factorization.

20423151200043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179077579 (or 4179077573 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 20423151200043 its reverse (34000215132402), we get a palindrome (54423366332445).

The spelling of 20423151200043 in words is "twenty trillion, four hundred twenty-three billion, one hundred fifty-one million, two hundred thousand, forty-three".