23211155344451 has 8 divisors (see below), whose sum is σ = 24084241436640. Its totient is φ = 22351003861248.

The previous prime is 23211155344423. The next prime is 23211155344511. The reversal of 23211155344451 is 15444355111232.

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 23211155344451 - 2¹⁸ = 23211155082307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23211155344399 and 23211155344408.

It is not an unprimeable number, because it can be changed into a prime (23211155343451) 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, 3233648591 + ... + 3233655768.

It is an arithmetic number, because the mean of its divisors is an integer number (3010530179580).

Almost surely, 2^{23211155344451} is an apocalyptic number.

23211155344451 is a deficient number, since it is larger than the sum of its proper divisors (873086092189).

23211155344451 is an equidigital number, since it uses as much as digits as its factorization.

23211155344451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6467304493.

The product of its digits is 288000, while the sum is 41.

The spelling of 23211155344451 in words is "twenty-three trillion, two hundred eleven billion, one hundred fifty-five million, three hundred forty-four thousand, four hundred fifty-one".