11451431210323 has 16 divisors (see below), whose sum is σ = 12889083926880. Its totient is φ = 10100833053696.

The previous prime is 11451431210309. The next prime is 11451431210393. The reversal of 11451431210323 is 32301213415411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11451431210323 - 2²⁹ = 11450894339411 is a prime.

It is a super-2 number, since 2×11451431210323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11451431210393) 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, 156536365 + ... + 156609502.

It is an arithmetic number, because the mean of its divisors is an integer number (805567745430).

Almost surely, 2^{11451431210323} is an apocalyptic number.

11451431210323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11451431210323 is a deficient number, since it is larger than the sum of its proper divisors (1437652716557).

11451431210323 is a wasteful number, since it uses less digits than its factorization.

11451431210323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313146006.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 11451431210323 its reverse (32301213415411), we get a palindrome (43752644625734).

The spelling of 11451431210323 in words is "eleven trillion, four hundred fifty-one billion, four hundred thirty-one million, two hundred ten thousand, three hundred twenty-three".