43254423011 has 4 divisors (see below), whose sum is σ = 43408353624. Its totient is φ = 43100492400.

The previous prime is 43254422999. The next prime is 43254423029. The reversal of 43254423011 is 11032445234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43254423011 - 2³⁰ = 42180681187 is a prime.

It is a super-2 number, since 2×43254423011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43254423061) 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, 76964885 + ... + 76965446.

It is an arithmetic number, because the mean of its divisors is an integer number (10852088406).

Almost surely, 2^43254423011 is an apocalyptic number.

43254423011 is a deficient number, since it is larger than the sum of its proper divisors (153930613).

43254423011 is a wasteful number, since it uses less digits than its factorization.

43254423011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153930612.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 43254423011 its reverse (11032445234), we get a palindrome (54286868245).

The spelling of 43254423011 in words is "forty-three billion, two hundred fifty-four million, four hundred twenty-three thousand, eleven".