20231427121445 has 32 divisors (see below), whose sum is σ = 24382799400960. Its totient is φ = 16115265239040.

The previous prime is 20231427121417. The next prime is 20231427121469. The reversal of 20231427121445 is 54412172413202.

It is not a de Polignac number, because 20231427121445 - 2²² = 20231422927141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20231427121399 and 20231427121408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3322615961 + ... + 3322622049.

It is an arithmetic number, because the mean of its divisors is an integer number (761962481280).

Almost surely, 2^{20231427121445} is an apocalyptic number.

It is an amenable number.

20231427121445 is a deficient number, since it is larger than the sum of its proper divisors (4151372279515).

20231427121445 is a wasteful number, since it uses less digits than its factorization.

20231427121445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9365.

The product of its (nonzero) digits is 107520, while the sum is 38.

Adding to 20231427121445 its reverse (54412172413202), we get a palindrome (74643599534647).

The spelling of 20231427121445 in words is "twenty trillion, two hundred thirty-one billion, four hundred twenty-seven million, one hundred twenty-one thousand, four hundred forty-five".