23404413413 has 4 divisors (see below), whose sum is σ = 23523217740. Its totient is φ = 23285609088.

The previous prime is 23404413397. The next prime is 23404413457. The reversal of 23404413413 is 31431440432.

It is a happy number.

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 20621534404 + 2782879009 = 143602^2 + 52753^2 .

It is a cyclic number.

It is not a de Polignac number, because 23404413413 - 2⁴ = 23404413397 is a prime.

It is a super-2 number, since 2×23404413413² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23404413493) 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, 59401868 + ... + 59402261.

It is an arithmetic number, because the mean of its divisors is an integer number (5880804435).

Almost surely, 2^23404413413 is an apocalyptic number.

It is an amenable number.

23404413413 is a deficient number, since it is larger than the sum of its proper divisors (118804327).

23404413413 is a wasteful number, since it uses less digits than its factorization.

23404413413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118804326.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 23404413413 its reverse (31431440432), we get a palindrome (54835853845).

The spelling of 23404413413 in words is "twenty-three billion, four hundred four million, four hundred thirteen thousand, four hundred thirteen".