20023225534123 has 32 divisors (see below), whose sum is σ = 24021144791424. Its totient is φ = 16332144970752.

The previous prime is 20023225534079. The next prime is 20023225534141. The reversal of 20023225534123 is 32143552232002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20023225534123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20023225534163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2050711 + ... + 6652207.

It is an arithmetic number, because the mean of its divisors is an integer number (750660774732).

Almost surely, 2^{20023225534123} is an apocalyptic number.

20023225534123 is a deficient number, since it is larger than the sum of its proper divisors (3997919257301).

20023225534123 is a wasteful number, since it uses less digits than its factorization.

20023225534123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601911.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 20023225534123 its reverse (32143552232002), we get a palindrome (52166777766125).

The spelling of 20023225534123 in words is "twenty trillion, twenty-three billion, two hundred twenty-five million, five hundred thirty-four thousand, one hundred twenty-three".