13123022431 has 8 divisors (see below), whose sum is σ = 13380681600. Its totient is φ = 12866537880.

The previous prime is 13123022417. The next prime is 13123022447. The reversal of 13123022431 is 13422032131.

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

It is a cyclic number.

It is not a de Polignac number, because 13123022431 - 2¹³ = 13123014239 is a prime.

It is a super-2 number, since 2×13123022431² (a number of 21 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 (13123022401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271075 + ... + 315796.

It is an arithmetic number, because the mean of its divisors is an integer number (1672585200).

Almost surely, 2^13123022431 is an apocalyptic number.

13123022431 is a deficient number, since it is larger than the sum of its proper divisors (257659169).

13123022431 is an equidigital number, since it uses as much as digits as its factorization.

13123022431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587309.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13123022431 its reverse (13422032131), we get a palindrome (26545054562).

The spelling of 13123022431 in words is "thirteen billion, one hundred twenty-three million, twenty-two thousand, four hundred thirty-one".