23045145413 has 4 divisors (see below), whose sum is σ = 24400742220. Its totient is φ = 21689548608.

The previous prime is 23045145377. The next prime is 23045145419. The reversal of 23045145413 is 31454154032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11608554049 + 11436591364 = 107743^2 + 106942^2 .

It is a cyclic number.

It is not a de Polignac number, because 23045145413 - 2¹⁸ = 23044883269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23045145413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23045145419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677798378 + ... + 677798411.

It is an arithmetic number, because the mean of its divisors is an integer number (6100185555).

Almost surely, 2^23045145413 is an apocalyptic number.

It is an amenable number.

23045145413 is a deficient number, since it is larger than the sum of its proper divisors (1355596807).

23045145413 is a wasteful number, since it uses less digits than its factorization.

23045145413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355596806.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 23045145413 its reverse (31454154032), we get a palindrome (54499299445).

The spelling of 23045145413 in words is "twenty-three billion, forty-five million, one hundred forty-five thousand, four hundred thirteen".