43123401332 has 24 divisors (see below), whose sum is σ = 82378178400. Its totient is φ = 19589240160.

The previous prime is 43123401323. The next prime is 43123401367. The reversal of 43123401332 is 23310432134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236582 + ... + 377117.

It is an arithmetic number, because the mean of its divisors is an integer number (3432424100).

Almost surely, 2^43123401332 is an apocalyptic number.

It is an amenable number.

43123401332 is a deficient number, since it is larger than the sum of its proper divisors (39254777068).

43123401332 is a wasteful number, since it uses less digits than its factorization.

43123401332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615311 (or 615309 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 43123401332 its reverse (23310432134), we get a palindrome (66433833466).

The spelling of 43123401332 in words is "forty-three billion, one hundred twenty-three million, four hundred one thousand, three hundred thirty-two".