23120045413 has 16 divisors (see below), whose sum is σ = 23424666480. Its totient is φ = 22818064896.

The previous prime is 23120045411. The next prime is 23120045471. The reversal of 23120045413 is 31454002132.

It can be written as a sum of positive squares in 8 ways, for example, as 11538626724 + 11581418689 = 107418^2 + 107617^2 .

It is a cyclic number.

It is not a de Polignac number, because 23120045413 - 2¹ = 23120045411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120045411) 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, 18104331 + ... + 18105607.

It is an arithmetic number, because the mean of its divisors is an integer number (1464041655).

Almost surely, 2^23120045413 is an apocalyptic number.

It is an amenable number.

23120045413 is a deficient number, since it is larger than the sum of its proper divisors (304621067).

23120045413 is a wasteful number, since it uses less digits than its factorization.

23120045413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 23120045413 its reverse (31454002132), we get a palindrome (54574047545).

The spelling of 23120045413 in words is "twenty-three billion, one hundred twenty million, forty-five thousand, four hundred thirteen".