23020001131021 has 16 divisors (see below), whose sum is σ = 23959911306240. Its totient is φ = 22090040521920.

The previous prime is 23020001130953. The next prime is 23020001131037. The reversal of 23020001131021 is 12013110002032.

It is a cyclic number.

It is not a de Polignac number, because 23020001131021 - 2²¹ = 23019999033869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23020001130986 and 23020001131004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020001131321) 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, 4326730 + ... + 8047396.

It is an arithmetic number, because the mean of its divisors is an integer number (1497494456640).

Almost surely, 2^{23020001131021} is an apocalyptic number.

It is an amenable number.

23020001131021 is a deficient number, since it is larger than the sum of its proper divisors (939910175219).

23020001131021 is a wasteful number, since it uses less digits than its factorization.

23020001131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722004.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23020001131021 its reverse (12013110002032), we get a palindrome (35033111133053).

The spelling of 23020001131021 in words is "twenty-three trillion, twenty billion, one million, one hundred thirty-one thousand, twenty-one".