143234013 has 16 divisors (see below), whose sum is σ = 208152000. Its totient is φ = 87080064.

The previous prime is 143234011. The next prime is 143234017. The reversal of 143234013 is 310432341.

143234013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 143234013 - 2¹ = 143234011 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143234011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18888 + ... + 25361.

It is an arithmetic number, because the mean of its divisors is an integer number (13009500).

Almost surely, 2^143234013 is an apocalyptic number.

143234013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

143234013 is a deficient number, since it is larger than the sum of its proper divisors (64917987).

143234013 is a wasteful number, since it uses less digits than its factorization.

143234013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44348.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 143234013 is about 11968.0413184447. The cubic root of 143234013 is about 523.2172492828.

Adding to 143234013 its reverse (310432341), we get a palindrome (453666354).

It can be divided in two parts, 14323 and 4013, that added together give a triangular number (18336 = T₁₉₁).

The spelling of 143234013 in words is "one hundred forty-three million, two hundred thirty-four thousand, thirteen".