42044231233 has 8 divisors (see below), whose sum is σ = 43496346600. Its totient is φ = 40592270208.

The previous prime is 42044231191. The next prime is 42044231239. The reversal of 42044231233 is 33213244024.

It can be written as a sum of positive squares in 4 ways, for example, as 21271639104 + 20772592129 = 145848^2 + 144127^2 .

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 42044231233 - 2¹³ = 42044223041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42044231239) 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, 917613 + ... + 962341.

It is an arithmetic number, because the mean of its divisors is an integer number (5437043325).

Almost surely, 2^42044231233 is an apocalyptic number.

It is an amenable number.

42044231233 is a deficient number, since it is larger than the sum of its proper divisors (1452115367).

42044231233 is a wasteful number, since it uses less digits than its factorization.

42044231233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77171.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 42044231233 its reverse (33213244024), we get a palindrome (75257475257).

The spelling of 42044231233 in words is "forty-two billion, forty-four million, two hundred thirty-one thousand, two hundred thirty-three".