23102021013 has 8 divisors (see below), whose sum is σ = 30803406528. Its totient is φ = 15400991424.

The previous prime is 23102021009. The next prime is 23102021027. The reversal of 23102021013 is 31012020132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23102021013 - 2² = 23102021009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23102020983 and 23102021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23102021003) 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, 170920 + ... + 274622.

It is an arithmetic number, because the mean of its divisors is an integer number (3850425816).

Almost surely, 2^23102021013 is an apocalyptic number.

It is an amenable number.

23102021013 is a deficient number, since it is larger than the sum of its proper divisors (7701385515).

23102021013 is a wasteful number, since it uses less digits than its factorization.

23102021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177963.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23102021013 its reverse (31012020132), we get a palindrome (54114041145).

The spelling of 23102021013 in words is "twenty-three billion, one hundred two million, twenty-one thousand, thirteen".