20231045013656 has 32 divisors (see below), whose sum is σ = 40779262080000. Its totient is φ = 9379230271776.

The previous prime is 20231045013623. The next prime is 20231045013659. The reversal of 20231045013656 is 65631054013202.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231045013659) 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, 1415939456 + ... + 1415953743.

It is an arithmetic number, because the mean of its divisors is an integer number (1274351940000).

Almost surely, 2^{20231045013656} is an apocalyptic number.

It is an amenable number.

20231045013656 is an abundant number, since it is smaller than the sum of its proper divisors (20548217066344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20231045013656 is a wasteful number, since it uses less digits than its factorization.

20231045013656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831893271 (or 2831893267 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 20231045013656 its reverse (65631054013202), we get a palindrome (85862099026858).

The spelling of 20231045013656 in words is "twenty trillion, two hundred thirty-one billion, forty-five million, thirteen thousand, six hundred fifty-six".