43011021402123 has 8 divisors (see below), whose sum is σ = 57348077838336. Its totient is φ = 28673989617000.

The previous prime is 43011021402121. The next prime is 43011021402137. The reversal of 43011021402123 is 32120412011034.

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

It is not a de Polignac number, because 43011021402123 - 2¹ = 43011021402121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43011021402093 and 43011021402102.

It is not an unprimeable number, because it can be changed into a prime (43011021402121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1611403 + ... + 9413748.

It is an arithmetic number, because the mean of its divisors is an integer number (7168509729792).

Almost surely, 2^{43011021402123} is an apocalyptic number.

43011021402123 is a deficient number, since it is larger than the sum of its proper divisors (14337056436213).

43011021402123 is a wasteful number, since it uses less digits than its factorization.

43011021402123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12325545.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 43011021402123 its reverse (32120412011034), we get a palindrome (75131433413157).

The spelling of 43011021402123 in words is "forty-three trillion, eleven billion, twenty-one million, four hundred two thousand, one hundred twenty-three".