23120203015 has 24 divisors (see below), whose sum is σ = 34334389728. Its totient is φ = 14634322560.

The previous prime is 23120203013. The next prime is 23120203021. The reversal of 23120203015 is 51030202132.

It is not a de Polignac number, because 23120203015 - 2¹ = 23120203013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23120202983 and 23120203001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120203013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1948456 + ... + 1960285.

It is an arithmetic number, because the mean of its divisors is an integer number (1430599572).

Almost surely, 2^23120203015 is an apocalyptic number.

23120203015 is a deficient number, since it is larger than the sum of its proper divisors (11214186713).

23120203015 is a wasteful number, since it uses less digits than its factorization.

23120203015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908779 (or 3908766 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 23120203015 its reverse (51030202132), we get a palindrome (74150405147).

The spelling of 23120203015 in words is "twenty-three billion, one hundred twenty million, two hundred three thousand, fifteen".