20123727433073 has 16 divisors (see below), whose sum is σ = 22166948443200. Its totient is φ = 18116325967680.

The previous prime is 20123727433031. The next prime is 20123727433093. The reversal of 20123727433073 is 37033472732102.

It is a cyclic number.

It is not a de Polignac number, because 20123727433073 - 2¹⁸ = 20123727170929 is a prime.

It is a super-2 number, since 2×20123727433073² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20123727433093) 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, 2545811 + ... + 6835832.

It is an arithmetic number, because the mean of its divisors is an integer number (1385434277700).

Almost surely, 2^{20123727433073} is an apocalyptic number.

It is an amenable number.

20123727433073 is a deficient number, since it is larger than the sum of its proper divisors (2043221010127).

20123727433073 is a wasteful number, since it uses less digits than its factorization.

20123727433073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9383552.

The product of its (nonzero) digits is 889056, while the sum is 44.

The spelling of 20123727433073 in words is "twenty trillion, one hundred twenty-three billion, seven hundred twenty-seven million, four hundred thirty-three thousand, seventy-three".